Chemistry definitions may include either an empirical formula say, for abietic acid, c 20h 30o 2 or a line formula for acrylonitrile, ch 2chcn, whichever is appropriate. Glossary of selected terms, abbreviations and organizations. Definitions of terms relating to mass spectrometry iupac. With over 4,700 entries, including over 200 new terms for this edition, this is the ideal reference resource for students of chemistry at all levels, either at school or at university, undergraduate lecturers, and students and lecturers in related disciplines such as biology. The terms contained within this glossary are general definitions and are accurate as they relate to water analysis, water treatment, and hach company products.
We hope you find it useful please do distribute it freely to any colleagues who may also benefit from it. The amount, in weight %, of titratable surfactant in a solution or formulation. Alfa chemistry employs more than 200 full time staff, of which approximate 80 are ph. Common definitions and terms in organic chemistry chemistry. Activation energy the minimum amount of energy which colliding molecules must have before they can react together. The terminology of modern quantum chemistry interlac. Glossary of basic terms in polymer science iupac recommendations 1996 synopsis the clear and unambiguous definition of basic terms in a field of science has special significance. A to z chemistry dictionary glossary of chemistry terms. This glossary will be added to over time in the early stages there will. An expression showing the chemical composition of a compound in terms of the symbols for the atoms of the elements involved. This glossary of terms used in cement, concrete cement analysis is available for free download. To search for a particular word or phrase, click in this window and then use your browsers document search option find in netscape navigator 3. These glossary terms, along with the ap chemistry outlines and unit notes. This list of terms has been created from various sources used by safes.
Glossary of chemistry terms and definitions science struck. The iupac physical chemistry division commission on molecular structure and spectroscopys subcommittee on mass spectroscopy revised the recommended terms in 1991 and appended terms relating to vacuum technology. This glossary of physics is a list of definitions of terms and concepts relevant to physics, its subdisciplines, and related fields, including mechanics, materials science, nuclear physics, particle physics, and thermodynamics. Learn terms and definitions chemistry biology with free interactive flashcards. Duffus, glossary for chemists of terms used in toxicology, iupac. It is the editors hope that the second edition of the mcgrawhill dictionary of chemistry will serve the needs of scientists, engineers, students, teachers, librarians,andwritersforhighqualityinformation,andthatitwillcontribute toscientific literacy and communication. Acids react when coming into contact with bases and some metals to form salts. This glossary of chemistry terms is a list of terms and definitions relevant to chemistry, including chemical laws, diagrams and formulae, laboratory tools. Compendium of chemical terminology 1987 victor gold. Englishchinese glossary of terms commonly used in the teaching of biology in secondary schools 2003 supplement 2009 englishchinese glossary of terms commonly used in the teaching of chemistry in secondary schools. Each link leads to a more comprehensive discussion of the word. If you remember that temperature is a measurement of how much atoms move around in a solid.
The aim of the glossary is to provide guidance on physicalorganic chemical termi. A to z chemistry dictionary comprehensive glossary of chemistry definitions this entry was posted on july 3, 2017 by anne helmenstine updated on january 10, 2019 this comprehensive chemistry dictionary or glossary offers definitions for terms which are commonly used in chemistry and chemical engineering. For more inclusive glossaries concerning related fields of science and technology, see glossary of chemistry terms. The activity of all biochemical reactions is influenced by the ph of its surroundings. This alphabetical chemistry dictionary offers definitions and examples of important chemistry and chemical engineering terms.
The book glossary of biology terms define and explain the scientific terminology relating to biology. This glossary of chemistry terms is a list of terms and definitions relevant to chemistry, including chemical laws, diagrams and formulae, laboratory tools, glassware, and equipment. Definitions taken from the glossary of discovering atomos which is a textbook used in challenge b. Second, denaturing can mean breaking down the threedimensional structure of a molecule, such as a protein is denatured when exposed to heat.
An underground geological formation, or group of formations, containing usable amounts of groundwater that can supply wells. This glossary is a guide to the rich vocabulary of organic chemistry and is designed by gamini gunawardena from utah valley university. The penetration of substances into the bulk of a solid or liquid. Some additional terms related to tandem mass spectrometry were added in 1993 and accelerator mass. Adefinitionmayconcludewithamentionofa synonymoftheterm,avariantspelling,anabbreviationfortheterm,orother.
Terms starting with s chemistry dictionary and glossary. Clinical chemistry is the branch of laboratory medicine that focuses primarily on molecules. Science is a very vast subject that has innumerable words, terms, definitions, etc. When you do a chemical reaction, this is the amount of chemical that you actually make. This is a measure of the acidity or alkalinity of a solution.
Sep 15, 2019 this alphabetical chemistry dictionary offers definitions and examples of important chemistry and chemical engineering terms. Iupac organic chemistry division, basic terminology of stereochemistry, 1993 draft. Choose from 500 different sets of terms and definitions chemistry biology flashcards on quizlet. First, it can refer to any process used to make ethanol unfit for consumption denatured alcohol. The science that studies the properties of substances and how substances react with one another. Just read on the following glossary to get a quick idea about some interesting terms. Acc american chemistry council formerly the chemical manufacturers association.
Chemistry is a physical science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions. Chemistry is a branch of science that deals with the study of the behavioral attributes of various substances, their chemical composition, their chemical reactions and so on. A life or process that occurs in, or is not destroyed by, the absence of oxygen. Pdf glossary of terms used in theoretical organic chemistry. Science glossary of science terms and scientific definitions. Glossary of terms used in theoretical organic chemistry iupac recommendations 1999 article pdf available in pure and applied chemistry 7110. Glossary of some terms used in cement, concrete and in the. Cross checking for consistency has been performed with this glossary as well as with its provisional second edition. This book is a must for every student of the biology field. Addition polymer a polymer made by the combining together of small unsaturated molecules of the same compound. Photometry describes the measurement of visible light. They are for reference only and are not intended to be applied outside the scope of these areas. Glossary of selected terms, abbreviations and organizations a aaee american academy for environmental engineers. Common definitions and terms in organic chemistry uc irvine chemistry has 44 faculty members, 215 graduate students, 50 postdoctoral fellows, and provide internationallyrecognized programs in a friendly, informal setting.
It is designed primarily for undergraduate students studying organic chemistry and is intended to complement lectures and textbook reading. An online dictionary of ap chemistry terms that you will need to know for the ap chemistry exam. Absolute magnitude a classification scheme, which compensates for the distance, differences to stars. Chemistry vocabulary definitions of chemistry terms. See section 6 for more detail about specific analytes.
The tests in a clinical chemistry laboratory measure concentrations of biologically important ions salts and minerals, small organic molecules and large macromolecules primarily proteins. Online englishchinese glossaries of terms commonly used in the teaching of science subjects in secondary schools read more. With over 4,700 entries, including over 200 new terms for this edition, this is the ideal reference resource for students of chemistry at all levels, either at school or at university, undergraduate lecturers, and students. Heckendorn computer science department, university of idaho september 9, 2019 here is a very simple glossary of computer science terms. Physical organic chemistry commission has been followed for the typeface used. In this section, we have included those basic terms that are relevant to modern chemistry. Period a horizontal row of elements in the periodic table. Glossary of physics terms absolute humidity or saturation value the maximum amount of water vapor, which could be present in 1 m. The terms defined in the 1983 glossary are incorporated in the iupac. Glossary and terms acid an acid is a compound with a ph of less than 7 that forms hydrogen ions when dissolved in water.
Glossary of terms used in photochemistry rd edition. It is not an exhaustive list, and terminology used in any particular program may differ from this, and may be determined by local practice, policy and procedure. Chemistry in contrast to physics is involved with the change of the outer electronlayers only, whereas physics involves the state of the nucleus as well. Jul 03, 2017 a to z chemistry dictionary comprehensive glossary of chemistry definitions this entry was posted on july 3, 2017 by anne helmenstine updated on january 10, 2019 this comprehensive chemistry dictionary or glossary offers definitions for terms which are commonly used in chemistry and chemical engineering. Glossary of laboratory diagnostic terms lab tests blog. This is a temperature reading made relative to absolute zero. The following article has a glossary list that will help you understand these difficult scientific terms and definitions at a glance. Basic chemistry terms and definitions from lesson 2 10 terms. A product of the institute for reduction of cognitive entropy in organic chemistry the beginning of wisdom is to call things by their proper name. A new feature is the inclusion of entrylevel web links. Stereochemical terminology is currently under consideration by a working party jointly set up by.
Confucius many thanks to the students and other users of this web site who have suggested additional terms for inclusion. Subsequent nomenclature must refer back to these basic terms, and the utmost care is, therefore, required in preparing and revising them. English glossary the glossary is an alphabetical listing of many of the key terms from the chapters, along with their meanings. Glossary of common laboratory terms page 3 of 8 file. Addition reaction a reaction in which the double or triple bond of an unsaturated compound opens continue reading. A group of potentially lifethreatening disorders resulting from insufficient blood flow to the heart caused by the narrowing or blockage of one or more blood vessels to the heart. Basic chemistry vocabulary list absolute temperature. The glossary gives the part of speech of each word. Chemistry dictionary terms starting with the letter s. Read on to find out more about the many terms and definitions associated with this stream.
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