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acid anhydride

noun Chemistry.

See under anhydride(def 1).

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Nearby words

  1. acicularity,
  2. acicularly,
  3. aciculate,
  4. aciculum,
  5. acid,
  6. acid cell,
  7. acid deposition,
  8. acid drop,
  9. acid dust,
  10. acid dye

anhydride

[an-hahy-drahyd, -drid]

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

1860–65; anhydr(ous) + -ide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for acid anhydride

acid anhydride

noun

another name for anhydride (def. 3)

anhydride

noun

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

Word Origin for anhydride

C19: from anhydr (ous) + -ide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for acid anhydride

anhydride

[ăn-hī′drīd′]

n.

A chemical compound formed from another by the removal of water.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for acid anhydride

anhydride

[ăn-hī′drīd′]

A chemical compound formed from another, especially an acid, by the removal of water.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.