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The act of becoming, or state of being, a hydrate. Water of hydration (Chem.), water chemically combined with some substance to form a hydrate; -- distinguished from water of crystallization.

The act or process of freeing from water; also, the condition of a body from which the water has been removed.

A limpid, colorless, highly volatile liquid, obtained by the dehydration of glycerin, or the destructive distillation of neutral fats containing glycerin. Its vapors are intensely irritating. Watts.

A hydration of iolite.

stase of malt, ptyalin of saliva, and boiling dilute sulphuric acid all convert starch by hydration into dextrin and sugar. Nearly all of the digestive ferments are hydrolytic in their action.

A hydrous salt; a salt combined with water of hydration or crystallization.

Containing water of hydration or crystallization.

ion product of one molecule of phosphoric acid with one of phosphorous acid, by partial dehydration.

A white amorphous or crystalline substance, obtained by dehydration of mannite, and distinct from, but convertible into, mannitan.

A white amorphous or crystalline substance obtained by the partial dehydration of mannite.

ting certain hypothetical compounds, as acids from which the real acids are obtained by dehydration; thus, normal sulphuric acid and normal nitric acid are respectively S(OH)6, and N(OH)5.

uric acid. It is used in the solution of indigo, in the manufacture of alizarin, and in dehydration.

rone; specifically, designating an unstable acid which is obtained from saccharone (a) by hydration, and forms a well-known series of salts.

A white crystalline substance obtained by dehydration of salicylic acid.

yestuff having a greenish metallic luster. It is produced artificially, by the chemical dehydration of thionine, as a brown amorphous powder.

An alkaloid, C8H13N, obtained by the chemical dehydration of tropine, as an oily liquid having a coninelike odor.