CHEMISTRY • DICCIONARIO INGLES.COM • Definition of Chemistry

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/kˈɛməstri/ /kˈɛmɪstri/ Listen

noun

Chemistry n.

1.

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, Molecule. Note: Historically, chemistry is an outgrowth of alchemy (or alchemistry), with which it was anciently identified.

2.

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

3.

A treatise on chemistry. Note: This word and its derivatives were formerly written with y, and sometimes with i, instead of e, in the first syllable, chymistry, chymist, chymical, etc., or chimistry, chimist, chimical, etc.; and the pronunciation was conformed to the orthography.

Inorganic chemistry, that which treats of inorganic or mineral substances.

Organic chemistry, that which treats of the substances which form the structure of organized beings and their products, whether animal or vegetable; called also chemistry of the carbon compounds. There is no fundamental difference between organic and inorganic chemistry.

Physiological chemistry, the chemistry of the organs and tissues of the body, and of the various physiological processes incident to life.

Practical chemistry, or Applied chemistry, that which treats of the modes of manufacturing the products of chemistry that are useful in the arts, of their applications to economical purposes, and of the conditions essential to their best use.

Pure chemistry, the consideration of the facts and theories of chemistry in their purely scientific relations, without necessary reference to their practical applications or mere utility.

See images of 'Chemistry'

Etymology of 'Chemistry'

Collaborative International Dictionary of English 0.48

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"Chemistry" Quotes from Famous Books

... an English sea-captain and a Spanish woman, and was born in Havana; that he had been educated by the Jesuits, who had meant to make a priest of him; that, not being able to abide the Spaniards, he had chased over to Port Royal and studied chemistry in the college there. It was there, he said, he had discovered a preparation for curing the hides of animals so that the hair never dropped off, but remained as firm and fresh as life. He told me that for this secret ...

— Poison Island • Arthur Thomas Quiller-Couch (Q)

... hopes; but the earlier period, which in England witnessed the foundation of the Royal Society, was notable chiefly for advance in the physical and mathematical sciences; while the later period was more addicted to chemistry, and was the age of Lavoisier, Priestley, Cavendish, and Black. The former age, though it attained to nothing practical, made some progress in the theory of flight; the ...

— The War in the Air; Vol. 1 - The Part played in the Great War by the Royal Air Force • Walter Raleigh

... Elliott and me the chemical change that takes place in the leaves, that makes the beautiful autumn colours we were admiring so much," said Rose. "He is great in botany and chemistry, Elliott says." ...

— Janet's Love and Service • Margaret M Robertson

... easily persuaded them to the new arrangement, which was as grateful to him—he was newly married—as to Alexander. When the lessons were over he gave his favourite pupil a book and an easy-chair, or made experiments in chemistry with him until it was cool enough to ride or row. In the evening Alexander had his difficult lessons to prepare, and when he tumbled into bed at midnight he was too healthy not to sleep soundly. He spent ...

— The Conqueror • Gertrude Franklin Atherton

... the Grand Commune, a manufactory of arms; at the Menagerie, a school of agriculture. Halls that had echoed to the dance and the clink of gold at gaming-tables now heard profound lectures on history, ancient languages, mathematics, chemistry, and political economy! Classic exercises beneath the painted ceilings of these memoried rooms! Scholastic discourse where music and laughter had vibrated ...

— The Story of Versailles • Francis Loring Payne

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