Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A chemical compound formed from another, often an acid, by the removal of water.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) An oxide of a nonmetallic body or an organic radical, capable of forming an acid by uniting with the elements of water; -- so called because it may be formed from an acid by the abstraction of water.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry any compound formally derived from another (or from others) by the loss of a water molecule, especially acid anhydrides

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a compound formed from one or more other compounds in a reaction resulting in removal of water

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[anhydr(ous) + –ide.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

an- +‎ hydride

Examples

  • I saw a chest full of mixed potassic chlorate and black oxide of manganese, with an apparatus for heating it, and producing oxygen -- a foolish thing, for additional oxygen could not alter the quantity of breathed carbonic anhydride, which is a direct narcotic poison.

    The Purple Cloud

  • ~ To understand the reaction which occurs, it must be remembered that a volatile acid anhydride is expelled from its salts when heated with an anhydride which is not volatile.

    An Elementary Study of Chemistry

  • Alar is manufactured by mixing succinic anhydride with 1,1,dimethylhydrazine UDMH, a toxic component of rocket fuel.

    Wendy Gordon: The True Alar Story

  • Alar is manufactured by mixing succinic anhydride with 1,1,dimethylhydrazine UDMH, a toxic component of rocket fuel.

    Wendy Gordon: The True Alar Story

  • Alar is manufactured by mixing succinic anhydride with 1,1,dimethylhydrazine UDMH, a toxic component of rocket fuel.

    Wendy Gordon: The True Alar Story

  • My most ambitious attempt was a multistep sequence aimed at synthesizing aspirin, for which I needed acetic anhydride, which had to be made from acetyl chloride, for which I needed phosphorus trichloride, for which I needed to burn red phosphorus in a stream of chlorine gas.

    Roger Y. Tsien - Autobiography

  • "The significant current increase in demand for maleic anhydride and projected long-term global customer requirements necessitated the expansion and will strengthen our advantage as leading producer of this important chemical in Europe," said Sasol-Huntsman managing director

    ANC Daily News Briefing

  • The segment -- which serves customers in the chemical, paint and adhesives industries -- produces and supplies acetyl products such as acetic acid, vinyl acetate monomer, acetic anhydride and other acetyl derivatives.

    Celanese Raises Full-Year Forecast

  • The most acid rain recorded was in Glasgow, Scotland; the reported value (representing an average of several individual samples) was 109.16 grains of sulfuric anhydride per gallon of rainwater.

    Smith, Robert Angus

  • When sulfuric anhydride (SO3) is dissolved in water, each mole of SO3 becomes a mole of sulfuric acid, H2SO4.

    Smith, Robert Angus

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