Confucius many thanks to the students and other users of this web site who have suggested additional terms for inclusion. This is a temperature reading made relative to absolute zero. Stage 1 years 12 stage 2 years 34 stage 3 years 56 stage 4 years 78 stage 5 years 910 students with disability. Second, denaturing can mean breaking down the threedimensional structure of a molecule, such as a protein is denatured when exposed to heat. 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.
It is usually expressed in terms of the number of ppm of chloride. Online englishchinese glossaries of terms commonly used in the teaching of science subjects in secondary schools read more. Stereochemical terminology is currently under consideration by a working party jointly set up by. Period a horizontal row of elements in the periodic table.
Students learning english as an additional language or dialect eald national literacy and numeracy learning progressions. Our collection of chemistry terms and definitions cover all areas, including. 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. Chemistry dictionary and encyclopedia with over 4000 chemistry terms. The activity of all biochemical reactions is influenced by the ph of its surroundings. Glossary of physics terms absolute humidity or saturation value the maximum amount of water vapor, which could be present in 1 m. The mcgrawhill dictionary of chemistry provides a compendium of 8000 terms.
Absolute magnitude a classification scheme, which compensates for the distance, differences to stars. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Pdf the glossary contains definitions and explanatory notes for mure than 450 terms used in the context of multidisciplinary research and publications. A duplex dna structure with righthanded twisting in which the planes of. Chemical formula a short form used to represent a molecule. Glossary of laboratory diagnostic terms lab tests blog. 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. Catenationthe ability to form bonds between atoms of the same element. 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. Glossary of some terms used in cement, concrete and in the. Learn terms and definitions chemistry biology with free interactive flashcards. An expression showing the chemical composition of a compound in terms of the symbols for the atoms of the elements involved. Alfa chemistry employs more than 200 full time staff, of which approximate 80 are ph.
Chemistry vocabulary definitions of chemistry terms. Addition reaction a reaction in which the double or triple bond of an unsaturated compound opens continue reading. This is a measure of the acidity or alkalinity of a solution. It is designed primarily for undergraduate students studying organic chemistry and is intended to complement lectures and textbook reading. You may do so in any reasonable manner, but not in. 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 common laboratory terms page 3 of 8 file. Physical organic chemistry commission has been followed for the typeface used. We hope you find it useful please do distribute it freely to any colleagues who may also benefit from it. Here is a list of some of the most common and most interesting terms you need to know. Addition polymer a polymer made by the combining together of small unsaturated molecules of the same compound. An alpha particle is a helium nuclei, one of the three types of radiation given off by radioactive substances. 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. Glossary of selected terms, abbreviations and organizations a aaee american academy for environmental engineers. Clinical chemistry is the branch of laboratory medicine that focuses primarily on molecules. Basic chemistry vocabulary list absolute temperature. Sep 15, 2019 this alphabetical chemistry dictionary offers definitions and examples of important chemistry and chemical engineering terms. It has low penetrating power, can be stopped by paper, skin, or clothing, and only travels a few centimeters in air. See section 6 for more detail about specific analytes. This glossary is a guide to the rich vocabulary of organic chemistry and is designed by gamini gunawardena from utah valley university.
These glossary terms, along with the ap chemistry outlines and unit notes. 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. The terms defined in the 1983 glossary are incorporated in the iupac. Just read on the following glossary to get a quick idea about some interesting terms. If you remember that temperature is a measurement of how much atoms move around in a solid. Each definition isclassified according to the field with which it is primarily associated. The penetration of substances into the bulk of a solid or liquid. Over a period of time, the many definitions in this field have undergone several changes due to the development of new theories, and discovery of new chemical substances and phenomena. Glossary of terms used in theoretical organic chemistry 1923 q 1999 iupac, pure appl. Glossary of chemistry terms and definitions science struck. Glossary of terms used in photochemistry rd edition. Basic definitions for organic chemistry scope organic chemistry is a vast subject so is split it into small sections for study. A more comprehensive list of chemistry terms can be found in my.
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. A acceleration measure of how fast velocity is changing, so we can think of it as the change in velocity over change in time. Glossary of selected terms, abbreviations and organizations. This glossary will be added to over time in the early stages there will. Glossary and terms acid an acid is a compound with a ph of less than 7 that forms hydrogen ions when dissolved in water. Chemistry dictionary, glossary and terms directory. The following article has a glossary list that will help you understand these difficult scientific terms and definitions at a glance. The amount, in weight %, of titratable surfactant in a solution or formulation. Combinatorial chemistry the process of producing large populations of molecules en masse and then selecting for a particular biochemical property. This is done by studying compounds which behave in a similar way because they have. For more inclusive glossaries concerning related fields of science and technology, see glossary of chemistry terms. A to z chemistry dictionary glossary of chemistry terms. A collection of terms from the chemistry 2007 syllabus glossary and senior sciences curriculum glossary.
Chemistry dictionary terms starting with the letter s. In other words, if you put big pressure on something, it gets small. Cross checking for consistency has been performed with this glossary as well as with its provisional second edition. There are a lot of them, so a good dictionary or glossary helps. In this section, we have included those basic terms that are relevant to modern chemistry. An important thermodynamic calculation that is used to quantify the energy involved in making ionic compounds. 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. This is done by studying compounds which behave in a similar way because they have a particular atom, or group of atoms, functional group in their structure. 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 for more inclusive glossaries concerning related fields of science and technology, see glossary of chemistry terms, glossary of astronomy, glossary of areas of. Compendium of chemical terminology 1987 victor gold.
Students of all study levels use our site to find solutions and help for their problems, questions and projects. The tests in a clinical chemistry laboratory measure concentrations of biologically important ions salts and minerals, small organic molecules and large macromolecules primarily proteins. 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. Pdf glossary of terms used in theoretical organic chemistry. Chemistry is a physical science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions. First, it can refer to any process used to make ethanol unfit for consumption denatured alcohol. A highly regulated enzyme that catalyzes the committed step in cholesterol synthesisthe formation of mevalonate from 3hydroxy3 methylglutaryl caoa. The science that studies the properties of substances and how substances react with one another. Chemistry vocabulary terms you should know list of important chemistry vocabulary words.
Science glossary of science terms and scientific definitions. It is the editors hope that the second edition of the mcgrawhill dictionary of chemistry will serve the needs of scientists, engineers, students, teachers. There are many words and terms that are specific to chemistry, in this case inorganic chemistry. Share flipboard email print its much easier to learn chemistry if you understand the meaning of vocabulary words. This glossary of terms used in cement, concrete cement analysis is available for free download. All of the definitions are drawn from the mcgrawhill dictionary of scientific and technical terms, sixthedition 2003. Photometry describes the measurement of visible light. Acc american chemistry council formerly the chemical manufacturers association. This glossary of chemistry terms is a list of terms and definitions relevant to chemistry, including chemical laws, diagrams and formulae, laboratory tools. Choose from 500 different sets of terms and definitions chemistry biology flashcards on quizlet.
A new feature is the inclusion of entrylevel web links. Chemical property the ability of a substance to change or react and to form new substances when interacting with other substances, for example, zinc reacts with hydrochloric acid to produce hydrogen gas. This file is licensed under the creative commons attributionshare alike 3. 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. Combinatorial control a means of controlling gene expression in eukaryotes in which each transcription factor, rather than acting on its own to effect transcription, recruits other proteins to build. An online dictionary of ap chemistry terms that you will need to know for the ap chemistry exam. Each link leads to a more comprehensive discussion of the word. Science is a very vast subject that has innumerable words, terms, definitions, etc. 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. Acids react when coming into contact with bases and some metals to form salts. 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. Activation energy the minimum amount of energy which colliding molecules must have before they can react together.
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