prussic acid


noun Chemistry.

Nearby words

  1. prussian blue,
  2. prussianism,
  3. prussianize,
  4. prussiate,
  5. prussic,
  6. prusso-,
  7. prusso-danish war,
  8. prut,
  9. pruta,
  10. prutah

Origin of prussic acid

1780–90; translation of French acide prussique (equivalent to Prusse Prussia + -ique -ic); so called because it was first obtained by heating Prussian blue with sulfuric acid Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for prussic acid

  • The prussic-acid taste of a twig sets the cherry tribe apart.

    Trees Worth Knowing|Julia Ellen Rogers
  • From the somewhat extensive distribution of the acid, or rather of prussic-acid producing substances in the vegetable kingdom.

British Dictionary definitions for prussic acid

prussic acid


the weakly acidic extremely poisonous aqueous solution of hydrogen cyanide

Word Origin for prussic acid

C18: from French acide prussique Prussian acid, so called because obtained from Prussian blue

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 prussic acid

prussic acid



hydrocyanic acid

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for prussic acid

prussic acid


See hydrocyanic acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.