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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Iatrochemist :: Iatrochemist (n.) A physician who explained or treated diseases upon chemical principles; one who practiced iatrochemistry.

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

Alchemistry :: Alchemistry (n.) Alchemy.

Biochemistry :: Biochemistry (n.) The chemistry of living organisms; the chemistry of the processes incidental to, and characteristic of, life..

Thermo- :: Thermo- () A combining form from Gr. qe`rmh heat, qermo`s hot, warm; as in thermochemistry, thermodynamic..

Electro-chemistry :: Electro-chemistry (n.) That branch of science which treats of the relation of electricity to chemical changes.

Phyto- :: Phyto- () A combining form from Gr. fyto`n a plant; as, phytochemistry, phytography..

Physicochemical :: Physicochemical (a.) Involving the principles of both physics and chemistry; dependent on, or produced by, the joint action of physical and chemical agencies..

Actino-chemistry :: Actino-chemistry (n.) Chemistry in its relations to actinism.

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

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.

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..

Chemistry :: 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

Nomenclature :: Nomenclature (n.) The technical names used in any particular branch of science or art, or by any school or individual; as, the nomenclature of botany or of chemistry; the nomenclature of Lavoisier and his associates..

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

Chemical :: Chemical (a.) Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations..

Xantho- :: Xantho- () A combining form from Gr. xanqo`s yellow; as in xanthocobaltic salts. Used also adjectively in chemistry.

Neology :: Neology (n.) The introduction of a new word, or of words or significations, into a language; as, the present nomenclature of chemistry is a remarkable instance of neology..

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..

Practical :: Practical (a.) Capable of being turned to use or account; useful, in distinction from ideal or theoretical; as, practical chemistry..