acid anhydride


noun Chemistry.

See under anhydride(def 1).

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-hīdrīd′]

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-hīdrīd′]

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.