anhydride
[an-hahy-drahyd, -drid]
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noun Chemistry.
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.
a compound from which water has been abstracted.
Origin of anhydride
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for anhydride
Historical Examples of anhydride
Antimonic or metantimonic acid, heated to a temperature below redness, loses water and yields the anhydride, Sb2O5.
As Arsenious anhydride:—Obtained in a weighed capsule or tube, either by the crystallisation or sublimation test.
Nitric peroxide, Peroxide of nitrogen, Nitrogen tetroxide, Hyponitric anhydride.
Cooley's Practical Receipts, Volume IIArnold Cooley
Like sulphur, selenium combines with oxygen and forms an anhydride corresponding to sulphurous anhydride.
Cooley's Practical Receipts, Volume IIArnold Cooley
The constituents of rosin are chiefly (80-90%) abietic acid or its anhydride together with pinic and sylvic acids.
Soap-Making ManualE. G. Thomssen
anhydride
noun
Word Origin for anhydride
C19: from anhydr (ous) + -ide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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anhydride
[ăn-hī′drīd′]
n.
The American Heritage® Stedman's Medical Dictionary
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anhydride
[ăn-hī′drīd′]
The American Heritage® Science Dictionary
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