anhydride

[ an-hahy-drahyd, -drid ]

noun

, Chemistry.

1. a compound formed by removing water from a more complex compound: an oxide of a nonmetal acid anhydride or a metal basic anhydride that forms an acid or a base, respectively, when united with water.
2. a compound from which water has been abstracted.

anhydride

/ ænˈhaɪdraɪd; -drɪd /

noun

1. a compound that has been formed from another compound by dehydration
2. a compound that forms an acid or base when added to water
3. Also calledacid anhydrideacyl anhydride any organic compound containing the group -CO.O.CO- formed by removal of one water molecule from two carboxyl groups

anhydride

/ ăn-hī′drīd′ /

1. A chemical compound formed from another, especially an acid, by the removal of water.

Word History and Origins

Origin of anhydride¹

1860–65; anhydr(ous) + -ide ( def )

Word History and Origins

Origin of anhydride¹

C19: from anhydr ( ous ) + -ide

Example Sentences

There is also a slight increase in the amounts of sulphates and carbonic anhydride.

From Project Gutenberg

They are hurtful because they lessen the exhalation of carbonic anhydride from the lungs.

From Project Gutenberg

This refrigerator is like those which we employ in our sulphurous anhydride frigorific apparatus.

From Project Gutenberg

The sulphate of baryta found, multiplied by ·3434, equals the sulphuric anhydride.

From Project Gutenberg

Sulphuric anhydride hisses when it is thrown into water, chemical combination taking place and sulphuric acid being formed.

From Project Gutenberg