| definition of pure substance in chemistry: Nelson Science and Technology Ted Gibb, 1999 Developed for Ontario Curriculum Grades 1-8 Science and Technology. |
| definition of pure substance in chemistry: What is a Chemical Element? Eric R. Scerri, Elena Ghibaudi, 2020 This book offers a comprehensive overview of an important notion to the field of chemistry: the chemical element. |
| definition of pure substance in chemistry: The Processes of Life Lawrence E. Hunter, 2012-01-13 A brief and accessible introduction to molecular biology for students and professionals who want to understand this rapidly expanding field. Recent research in molecular biology has produced a remarkably detailed understanding of how living things operate. Becoming conversant with the intricacies of molecular biology and its extensive technical vocabulary can be a challenge, though, as introductory materials often seem more like a barrier than an invitation to the study of life. This text offers a concise and accessible introduction to molecular biology, requiring no previous background in science, aimed at students and professionals in fields ranging from engineering to journalism—anyone who wants to get a foothold in this rapidly expanding field. It will be particularly useful for computer scientists exploring computational biology. A reader who has mastered the information in The Processes of Life is ready to move on to more complex material in almost any area of contemporary biology. |
| definition of pure substance in chemistry: Chemistry Bruce Averill, Patricia Eldredge, 2007 Emphasises on contemporary applications and an intuitive problem-solving approach that helps students discover the exciting potential of chemical science. This book incorporates fresh applications from the three major areas of modern research: materials, environmental chemistry, and biological science. |
| definition of pure substance in chemistry: Quantities, Units and Symbols in Physical Chemistry International Union of Pure and Applied Chemistry. Physical and Biophysical Chemistry Division, 2007 Prepared by the IUPAC Physical Chemistry Division this definitive manual, now in its third edition, is designed to improve the exchange of scientific information among the readers in different disciplines and across different nations. This book has been systematically brought up to date and new sections added to reflect the increasing volume of scientific literature and terminology and expressions being used. The Third Edition reflects the experience of the contributors with the previous editions and the comments and feedback have been integrated into this essential resource. This edition has been compiled in machine-readable form and will be available online. |
| definition of pure substance in chemistry: Chemistry 2e Paul Flowers, Richard Langely, William R. Robinson, Klaus Hellmut Theopold, 2019-02-14 Chemistry 2e is designed to meet the scope and sequence requirements of the two-semester general chemistry course. The textbook provides an important opportunity for students to learn the core concepts of chemistry and understand how those concepts apply to their lives and the world around them. The book also includes a number of innovative features, including interactive exercises and real-world applications, designed to enhance student learning. The second edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Substantial improvements have been made in the figures, illustrations, and example exercises that support the text narrative. Changes made in Chemistry 2e are described in the preface to help instructors transition to the second edition. |
| definition of pure substance in chemistry: Beyond the Molecular Frontier National Research Council, Division on Earth and Life Studies, Board on Chemical Sciences and Technology, Committee on Challenges for the Chemical Sciences in the 21st Century, 2003-03-19 Chemistry and chemical engineering have changed significantly in the last decade. They have broadened their scopeâ€into biology, nanotechnology, materials science, computation, and advanced methods of process systems engineering and controlâ€so much that the programs in most chemistry and chemical engineering departments now barely resemble the classical notion of chemistry. Beyond the Molecular Frontier brings together research, discovery, and invention across the entire spectrum of the chemical sciencesâ€from fundamental, molecular-level chemistry to large-scale chemical processing technology. This reflects the way the field has evolved, the synergy at universities between research and education in chemistry and chemical engineering, and the way chemists and chemical engineers work together in industry. The astonishing developments in science and engineering during the 20th century have made it possible to dream of new goals that might previously have been considered unthinkable. This book identifies the key opportunities and challenges for the chemical sciences, from basic research to societal needs and from terrorism defense to environmental protection, and it looks at the ways in which chemists and chemical engineers can work together to contribute to an improved future. |
| definition of pure substance in chemistry: The Complete Idiot's Guide to Chemistry Ian Guch, 2003 Guch covers all the elements, the Periodic Table, ionic and covalent compounds, chemical reactions, acids and bases, and much more. |
| definition of pure substance in chemistry: The Sceptical Chymist Robert Boyle, 2020-07-30 Reproduction of the original: The Sceptical Chymist by Robert Boyle |
| definition of pure substance in chemistry: Necessary Beings Bob Hale, 2013-09-19 Bob Hale presents a broadly Fregean approach to metaphysics, according to which ontology and modality are mutually dependent upon one another. He argues that facts about what kinds of things exist depend on facts about what is possible. Modal facts are fundamental, and have their basis in the essences of things—not in meanings or concepts. |
| definition of pure substance in chemistry: Principles of Chemical Nomenclature G. J. Leigh, 2011 Aimed at pre-university and undergraduate students, this volume surveys the current IUPAC nomenclature recommendations in organic, inorganic and macromolecular chemistry. |
| definition of pure substance in chemistry: Molecular Biology of the Cell , 2002 |
| definition of pure substance in chemistry: Purification of Laboratory Chemicals W.L.F. Armarego, 2003-03-07 Now in its fifth edition, the book has been updated to include more detailed descriptions of new or more commonly used techniques since the last edition as well as remove those that are no longer used, procedures which have been developed recently, ionization constants (pKa values) and also more detail about the trivial names of compounds.In addition to having two general chapters on purification procedures, this book provides details of the physical properties and purification procedures, taken from literature, of a very extensive number of organic, inorganic and biochemical compounds which are commercially available. This is the only complete source that covers the purification of laboratory chemicals that are commercially available in this manner and format.* Complete update of this valuable, well-known reference* Provides purification procedures of commercially available chemicals and biochemicals* Includes an extremely useful compilation of ionisation constants |
| definition of pure substance in chemistry: Elements and Compounds Chris Oxlade, 2007 Describes the properties and functions of the various groups of chemical elements. |
| definition of pure substance in chemistry: An Introduction to Chemistry Mark Bishop, 2002 This book teaches chemistry at an appropriate level of rigor while removing the confusion and insecurity that impair student success. Students are frequently intimidated by prep chem; Bishop's text shows them how to break the material down and master it. The flexible order of topics allows unit conversions to be covered either early in the course (as is traditionally done) or later, allowing for a much earlier than usual description of elements, compounds, and chemical reactions. The text and superb illustrations provide a solid conceptual framework and address misconceptions. The book helps students to develop strategies for working problems in a series of logical steps. The Examples and Exercises give plenty of confidence-building practice; the end-of-chapter problems test the student's mastery. The system of objectives tells the students exactly what they must learn in each chapter and where to find it. |
| definition of pure substance in chemistry: Foundation Course for NEET (Part 2): Chemistry Class 9 Lakhmir Singh & Manjit Kaur, Our NEET Foundation series is sharply focused for the NEET aspirants. Most of the students make a career choice in the middle school and, therefore, choose their stream informally in secondary and formally in senior secondary schooling, accordingly. If you have decided to make a career in the medical profession, you need not look any further! Adopt this series for Class 9 and 10 today. |
| definition of pure substance in chemistry: I Wandered Lonely as a Cloud William Wordsworth, 2007-03 The classic Wordsworth poem is depicted in vibrant illustrations, perfect for pint-sized poetry fans. |
| definition of pure substance in chemistry: Preparations Brian J. Knapp, 1998 Standard chemistry laboratory techniques and preparations are explained through the use of a series of illustrated, step-by-step demonstrations. |
| definition of pure substance in chemistry: Chemical Misconceptions Keith Taber, 2002 Part one includes information on some of the key alternative conceptions that have been uncovered by research and general ideas for helping students with the development of scientific conceptions. |
| definition of pure substance in chemistry: Mixtures and Compounds Marylou Morano-Kjelle, 2006-07-15 Explores the difference between mixtures and compounds, explains what makes a solution, and demonstrates how some mixtures can be filtered into their basic parts. |
| definition of pure substance in chemistry: Stuff Klaus Ruthenberg, 2008 |
| definition of pure substance in chemistry: The Discovery of Oxygen Joseph Priestley, 1894 |
| definition of pure substance in chemistry: The Great Mental Models, Volume 1 Shane Parrish, Rhiannon Beaubien, 2024-10-15 Discover the essential thinking tools you’ve been missing with The Great Mental Models series by Shane Parrish, New York Times bestselling author and the mind behind the acclaimed Farnam Street blog and “The Knowledge Project” podcast. This first book in the series is your guide to learning the crucial thinking tools nobody ever taught you. Time and time again, great thinkers such as Charlie Munger and Warren Buffett have credited their success to mental models–representations of how something works that can scale onto other fields. Mastering a small number of mental models enables you to rapidly grasp new information, identify patterns others miss, and avoid the common mistakes that hold people back. The Great Mental Models: Volume 1, General Thinking Concepts shows you how making a few tiny changes in the way you think can deliver big results. Drawing on examples from history, business, art, and science, this book details nine of the most versatile, all-purpose mental models you can use right away to improve your decision making and productivity. This book will teach you how to: Avoid blind spots when looking at problems. Find non-obvious solutions. Anticipate and achieve desired outcomes. Play to your strengths, avoid your weaknesses, … and more. The Great Mental Models series demystifies once elusive concepts and illuminates rich knowledge that traditional education overlooks. This series is the most comprehensive and accessible guide on using mental models to better understand our world, solve problems, and gain an advantage. |
| definition of pure substance in chemistry: Brownlie's Principles of Public International Law James Crawford, Ian Brownlie, 2019 Serving as a single volume introduction to the field as a whole, this ninth edition of Brownlie's Principles of International Law seeks to present international law as a system that is based on, and helps structure, relations among states and other entities at the international level. |
| definition of pure substance in chemistry: Book Lovers Emily Henry, 2022-05-03 “One of my favorite authors.”—Colleen Hoover An insightful, delightful, instant #1 New York Times bestseller from the author of Beach Read and People We Meet on Vacation. Named a Most Anticipated Book of 2022 by Oprah Daily ∙ Today ∙ Parade ∙ Marie Claire ∙ Bustle ∙ PopSugar ∙ Katie Couric Media ∙ Book Bub ∙ SheReads ∙ Medium ∙ The Washington Post ∙ and more! One summer. Two rivals. A plot twist they didn't see coming... Nora Stephens' life is books—she’s read them all—and she is not that type of heroine. Not the plucky one, not the laidback dream girl, and especially not the sweetheart. In fact, the only people Nora is a heroine for are her clients, for whom she lands enormous deals as a cutthroat literary agent, and her beloved little sister Libby. Which is why she agrees to go to Sunshine Falls, North Carolina for the month of August when Libby begs her for a sisters’ trip away—with visions of a small town transformation for Nora, who she’s convinced needs to become the heroine in her own story. But instead of picnics in meadows, or run-ins with a handsome country doctor or bulging-forearmed bartender, Nora keeps bumping into Charlie Lastra, a bookish brooding editor from back in the city. It would be a meet-cute if not for the fact that they’ve met many times and it’s never been cute. If Nora knows she’s not an ideal heroine, Charlie knows he’s nobody’s hero, but as they are thrown together again and again—in a series of coincidences no editor worth their salt would allow—what they discover might just unravel the carefully crafted stories they’ve written about themselves. |
| definition of pure substance in chemistry: Nature's Building Blocks John Emsley, 2003 A readable, informative, fascinating entry on each one of the 100-odd chemical elements, arranged alphabetically from actinium to zirconium. Each entry comprises an explanation of where the element's name comes from, followed by Body element (the role it plays in living things), Element ofhistory (how and when it was discovered), Economic element (what it is used for), Environmental element (where it occurs, how much), Chemical element (facts, figures and narrative), and Element of surprise (an amazing, little-known fact about it). A wonderful 'dipping into' source for the familyreference shelf and for students. |
| definition of pure substance in chemistry: What Are Solutions? Elise Tobler, 2021-12-15 Have you ever gone swimming in the ocean? If you have, you've been swimming in a solution. Oceans are made of salt water, and salt water is a solution. A solution is a kind of mixture where one of the substances dissolves into the other one and cannot be easily separated. Readers will learn about all the kinds of solutions in the world, and explore how they can make their very own with ingredients from the kitchen. The narrative was crafted for elementary readers, and is supported by simple diagrams and a full glossary. |
| definition of pure substance in chemistry: General Chemistry Ralph H. Petrucci, F. Geoffrey Herring, Jeffry D. Madura, Carey Bissonnette, 2010-05 |
| definition of pure substance in chemistry: Longman Science Chemistry 9 Kohli Nitin, 2008-09 |
| definition of pure substance in chemistry: Philosophy of Chemistry Andrea Woody, Robin Findlay Hendry, Paul Needham, 2012 Philosophy of Chemistry investigates the foundational concepts and methods of chemistry, the science of the nature of substances and their transformations. This groundbreaking collection, the most thorough treatment of the philosophy of chemistry ever published, brings together philosophers, scientists and historians to map out the central topics in the field. The 33 articles address the history of the philosophy of chemistry and the philosophical importance of some central figures in the history of chemistry; the nature of chemical substances; central chemical concepts and methods, including the chemical bond, the periodic table and reaction mechanisms; and chemistry's relationship to other disciplines such as physics, molecular biology, pharmacy and chemical engineering. This volume serves as a detailed introduction for those new to the field as well as a rich source of new insights and potential research agendas for those already engaged with the philosophy of chemistry. Provides a bridge between philosophy and current scientific findings Encourages multi-disciplinary dialogue Covers theory and applications |
| definition of pure substance in chemistry: Chemistry 2e Paul Flowers, Klaus Theopold, Richard Langley, Edward J. Neth, WIlliam R. Robinson, 2019-02-14 Chemistry 2e is designed to meet the scope and sequence requirements of the two-semester general chemistry course. The textbook provides an important opportunity for students to learn the core concepts of chemistry and understand how those concepts apply to their lives and the world around them. The book also includes a number of innovative features, including interactive exercises and real-world applications, designed to enhance student learning. The second edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Substantial improvements have been made in the figures, illustrations, and example exercises that support the text narrative. Changes made in Chemistry 2e are described in the preface to help instructors transition to the second edition. |
| definition of pure substance in chemistry: The NBS Tables of Chemical Thermodynamic Properties Donald D. Wagman, 1982 |
| definition of pure substance in chemistry: Introductory Chemistry Mark S. Cracolice, Edward I. Peters, 2004 Now available at a new low price as part of Cengage Advantage Books and in two flexible formats--a standard paperbound edition and loose-leaf edition--this best-selling textbook for courses in introductory chemistry allows professors to tailor the order of chapters to accommodate their particular needs. The authors have achieved this modularity not only by carefully writing each topic so it never assumes prior knowledge, but also by including any and all necessary preview or review information needed to learn that topic. New lead author Dr. Mark Cracolice, Director for the Center of Teaching Excellence at the University of Montana and chemical education specialist, has added current and relevant applications and has infused the text with original pedagogical elements. Cracolice has also seamlessly integrated the text with the extensive media-based teaching aids available to create a unified package for this edition. |
| definition of pure substance in chemistry: Chemistry For Dummies John T. Moore, 2016-05-26 Chemistry For Dummies, 2nd Edition (9781119293460) was previously published as Chemistry For Dummies, 2nd Edition (9781118007303). While this version features a new Dummies cover and design, the content is the same as the prior release and should not be considered a new or updated product. See how chemistry works in everything from soaps to medicines to petroleum We're all natural born chemists. Every time we cook, clean, take a shower, drive a car, use a solvent (such as nail polish remover), or perform any of the countless everyday activities that involve complex chemical reactions we're doing chemistry! So why do so many of us desperately resist learning chemistry when we're young? Now there's a fun, easy way to learn basic chemistry. Whether you're studying chemistry in school and you're looking for a little help making sense of what's being taught in class, or you're just into learning new things, Chemistry For Dummies gets you rolling with all the basics of matter and energy, atoms and molecules, acids and bases, and much more! Tracks a typical chemistry course, giving you step-by-step lessons you can easily grasp Packed with basic chemistry principles and time-saving tips from chemistry professors Real-world examples provide everyday context for complicated topics Full of modern, relevant examples and updated to mirror current teaching methods and classroom protocols, Chemistry For Dummies puts you on the fast-track to mastering the basics of chemistry. |
| definition of pure substance in chemistry: Handbook of Pharmaceutical Analysis by HPLC Satinder Ahuja, Michael Dong, 2005-02-09 High pressure liquid chromatography–frequently called high performance liquid chromatography (HPLC or, LC) is the premier analytical technique in pharmaceutical analysis and is predominantly used in the pharmaceutical industry. Written by selected experts in their respective fields, the Handbook of Pharmaceutical Analysis by HPLC Volume 6, provides a complete yet concise reference guide for utilizing the versatility of HPLC in drug development and quality control. Highlighting novel approaches in HPLC and the latest developments in hyphenated techniques, the book captures the essence of major pharmaceutical applications (assays, stability testing, impurity testing, dissolution testing, cleaning validation, high-throughput screening). A complete reference guide to HPLC Describes best practices in HPLC and offers 'tricks of the trade' in HPLC operation and method development Reviews key HPLC pharmaceutical applications and highlights currents trends in HPLC ancillary techniques, sample preparations, and data handling |
| definition of pure substance in chemistry: Philosophy of Chemistry Jaap Brakel, 2000 This book addresses themes in the newly emerging discipline of philosophy of chemistry, in particular issues in connection with discussions in general philosophy of science on natural kinds, reduction and ceteris paribus laws. The philosophical issue addressed in all chapters is the relation between, on the one hand, the manifest image (the daily practice or common-sense-life-form) and on the other the scientific image, both of which claim to be the final arbiter of everything.With respect to chemistry, the question raised is this: Where does this branch of science fit in, with the manifest or scientific image? Most philosophers and chemists probably would reply unhesitatingly, the scientific image. The aim of this book is to raise doubts about that self-evidence. It is argued that chemistry is primarily the science of manifest substances, whereas micro or submicro scientific talk--though important, useful, and insightful--does not change what matters, namely the properties of manifest substances.These manifest substances, their properties and uses cannot be reduced to talk of molecules or solutions of the Schrödinger equation. If submicroscopic quantum mechanics were to be wrong, it would not affect all (or any) microlevel chemical knowledge of molecules. If molecular chemistry were to be wrong, it wouldn't disqualify knowledge of, say, water--not at the macrolevel (e.g. its viscosity at 50 C), nor at the pre- or protoscientific manifest level (e.g. ice is frozen water). |
| definition of pure substance in chemistry: Chemistry , |
| definition of pure substance in chemistry: General Chemistry Linus Pauling, 2014-11-24 Revised third edition of classic first-year text by Nobel laureate. Atomic and molecular structure, quantum mechanics, statistical mechanics, thermodynamics correlated with descriptive chemistry. Problems. |
| definition of pure substance in chemistry: Chemistry for Changing Times John W. Hill, Terry W. McCreary, Doris K. Kolb, 2012-01 ALERT: Before you purchase, check with your instructor or review your course syllabus to ensure that you select the correct ISBN. Several versions of Pearson's MyLab & Mastering products exist for each title, including customized versions for individual schools, and registrations are not transferable. In addition, you may need a CourseID, provided by your instructor, to register for and use Pearson's MyLab & Mastering products. Packages Access codes for Pearson's MyLab & Mastering products may not be included when purchasing or renting from companies other than Pearson; check with the seller before completing your purchase. Used or rental books If you rent or purchase a used book with an access code, the access code may have been redeemed previously and you may have to purchase a new access code. Access codes Access codes that are purchased from sellers other than Pearson carry a higher risk of being either the wrong ISBN or a previously redeemed code. Check with the seller prior to purchase. -- Used by over 1.5 million science students, the Mastering platform is the most effective and widely used online tutorial, homework, and assessment system for the sciences. The eText pages look exactly like the printed text, and include powerful interactive and customization functions. This is the product access code card for MasteringChemistry with Pearson eText and does not include the actual bound book. The book that defined the liberal arts chemistry course, Chemistry for Changing Times remains the most visually appealing and readable introduction on the subject. Now available with MasteringChemistry®, the Thirteenth Edition increases its focus on student engagement - with revised Have You Ever Wondered? questions, new Learning Objectives in each chapter linked to end of chapter problems both in the text and within MasteringChemistry, and new Green Chemistry content, closely integrated with the text. Abundant applications and examples fill each chapter, and material is updated throughout to mirror the latest scientific developments in a fast-changing world. Compelling chapter opening photos, a focus on Green Chemistry, and the It DOES Matter features highlight current events and enable students to relate to the text more readily. This package contains: Standalone Access Card for Chemistry for Pearson eText for Changing Times, Thirteenth Edition Student Access Code Card for Mastering Chemistry |
| definition of pure substance in chemistry: Principles of Modern Chemistry David W. Oxtoby, 1998-07-01 PRINCIPLES OF MODERN CHEMISTRY has dominated the honors and high mainstream general chemistry courses and is considered the standard for the course. The fifth edition is a substantial revision that maintains the rigor of previous editions but reflects the exciting modern developments taking place in chemistry today. Authors David W. Oxtoby and H. P. Gillis provide a unique approach to learning chemical principles that emphasizes the total scientific process'from observation to application'placing general chemistry into a complete perspective for serious-minded science and engineering students. Chemical principles are illustrated by the use of modern materials, comparable to equipment found in the scientific industry. Students are therefore exposed to chemistry and its applications beyond the classroom. This text is perfect for those instructors who are looking for a more advanced general chemistry textbook. |
DEFINITION Definition & Meaning - Merriam-Webster
The meaning of DEFINITION is a statement of the meaning of a word or word group or a sign or symbol. How to use definition in a sentence.
DEFINITION Definition & Meaning - Dictionary.com
Definition definition: the act of defining, or of making something definite, distinct, or clear.. See examples of DEFINITION used in a sentence.
DEFINITION | English meaning - Cambridge Dictionary
DEFINITION definition: 1. a statement that explains the meaning of a word or phrase: 2. a description of the features and…. Learn more.
DEFINITION definition and meaning | Collins English Dictionary
A definition is a statement giving the meaning of a word or expression, especially in a dictionary.
definition noun - Definition, pictures, pronunciation and usage …
Definition of definition noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Definition - Wikipedia
A nominal definition is the definition explaining what a word means (i.e., which says what the "nominal essence" is), and is definition in the classical sense as given above. A real definition, by …
Definition - definition of definition by The Free Dictionary
Here is one definition from a popular dictionary: 'Any instrument or organization by which power is applied and made effective, or a desired effect produced.' Well, then, is not a man a machine?
definition - Wiktionary, the free dictionary
Jun 8, 2025 · definition (countable and uncountable, plural definitions) ( semantics , lexicography ) A statement of the meaning of a word , word group, sign , or symbol ; especially, a dictionary …
Definition Definition & Meaning | Britannica Dictionary
DEFINITION meaning: 1 : an explanation of the meaning of a word, phrase, etc. a statement that defines a word, phrase, etc.; 2 : a statement that describes what something is
Dictionary.com | Meanings & Definitions of English Words
3 days ago · The world's leading online dictionary: English definitions, synonyms, word origins, example sentences, word games, and more. A trusted authority for 25+ years!
DEFINITION Definition & Meaning - Merriam-Webster
The meaning of DEFINITION is a statement of the meaning of a word or word group or a sign or symbol. How to use definition in a sentence.
DEFINITION Definition & Meaning - Dictionary.com
Definition definition: the act of defining, or of making something definite, distinct, or clear.. See examples of DEFINITION used in a sentence.
DEFINITION | English meaning - Cambridge Dictionary
DEFINITION definition: 1. a statement that explains the meaning of a word or phrase: 2. a description of the features and…. Learn more.
DEFINITION definition and meaning | Collins English Dictionary
A definition is a statement giving the meaning of a word or expression, especially in a dictionary.
definition noun - Definition, pictures, pronunciation and usage …
Definition of definition noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Definition - Wikipedia
A nominal definition is the definition explaining what a word means (i.e., which says what the "nominal essence" is), and is definition in the classical sense as given above. A real definition, …
Definition - definition of definition by The Free Dictionary
Here is one definition from a popular dictionary: 'Any instrument or organization by which power is applied and made effective, or a desired effect produced.' Well, then, is not a man a machine?
definition - Wiktionary, the free dictionary
Jun 8, 2025 · definition (countable and uncountable, plural definitions) ( semantics , lexicography ) A statement of the meaning of a word , word group, sign , or symbol ; especially, a dictionary …
Definition Definition & Meaning | Britannica Dictionary
DEFINITION meaning: 1 : an explanation of the meaning of a word, phrase, etc. a statement that defines a word, phrase, etc.; 2 : a statement that describes what something is
Dictionary.com | Meanings & Definitions of English Words
3 days ago · The world's leading online dictionary: English definitions, synonyms, word origins, example sentences, word games, and more. A trusted authority for 25+ years!
