English definition of Chemistry

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Definition of chemistry

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Chemistry (n.) That branch of science which treats of the composition of substances, and of the changes which they undergo in consequence of alterations in the constitution of the molecules, which depend upon variations of the number, kind, or mode of arrangement, of the constituent atoms. These atoms are not assumed to be indivisible, but merely the finest grade of subdivision hitherto attained. Chemistry deals with the changes in the composition and constitution of molecules. See Atom, Molecul

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Al- :: Al- (A prefix.) The Arabic definite article answering to the English the; as, Alkoran, the Koran or the Book; alchemy, the chemistry..

Butter :: Butter (n.) Any substance resembling butter in degree of consistence, or other qualities, especially, in old chemistry, the chlorides, as butter of antimony, sesquichloride of antimony; also, certain concrete fat oils remaining nearly solid at ordinary temperatures, as butter of cacao, vegetable butter, shea butter..

Tartro- :: Tartro- () A combining form (also used adjectively) used in chemistry to denote the presence of tartar or of some of its compounds or derivatives.

Literature :: Literature (n.) The collective body of literary productions, embracing the entire results of knowledge and fancy preserved in writing; also, the whole body of literary productions or writings upon a given subject, or in reference to a particular science or branch of knowledge, or of a given country or period; as, the literature of Biblical criticism; the literature of chemistry..

Chemistry :: Chemistry (n.) An application of chemical theory and method to the consideration of some particular subject; as, the chemistry of iron; the chemistry of indigo..

Photochemistry :: Photochemistry (n.) The branch of chemistry which relates to the effect of light in producing chemical changes, as in photography..

Micro-chemistry :: Micro-chemistry (n.) The application of chemical tests to minute objects or portions of matter, magnified by the use of the microscopy; -- distinguished from macro-chemistry..

Chemist :: Chemist (n.) A person versed in chemistry or given to chemical investigation; an analyst; a maker or seller of chemicals or drugs.

Zoochemical :: Zoochemical (a.) Pertaining to zoochemistry.

Chymistry :: Chymistry () See Chemic, Chemist, Chemistry..

Language :: Language (n.) The vocabulary and phraseology belonging to an art or department of knowledge; as, medical language; the language of chemistry or theology..

Alchemistry :: Alchemistry (n.) Alchemy.

Chemistry :: Chemistry (n.) A treatise on chemistry.

Thermochemistry :: Thermochemistry (n.) That branch of chemical science which includes the investigation of the various relations existing between chemical action and that manifestation of force termed heat, or the determination of the heat evolved by, or employed in, chemical actions..

Course :: Course (n.) A series of motions or acts arranged in order; a succession of acts or practices connectedly followed; as, a course of medicine; a course of lectures on chemistry..

Thermochemical :: Thermochemical (a.) Of or pertaining to thermochemistry; obtained by, or employed in, thermochemistry..

Magistery :: Magistery (n.) A precipitate; a fine substance deposited by precipitation; -- applied in old chemistry to certain white precipitates from metallic solutions; as, magistery of bismuth..

Phytochemistry :: Phytochemistry (n.) Chemistry in its relation to vegetable bodies; vegetable chemistry.

Superchery :: Superchemical (a.) Above or beyond chemistry; inexplicable by chemical laws.

Neo- :: Neo- () A prefix meaning new, recent, late; and in chemistry designating specifically that variety of metameric hydrocarbons which, when the name was applied, had been recently classified, and in which at least one carbon atom in connected directly with four other carbon atoms; -- contrasted with normal and iso-; as, neopentane; the neoparaffins. Also used adjectively..