prussic acid

noun Chemistry.



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Origin of prussic acid

1780–90; translation of French acide prussique (equivalent to PrussePrussia + -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. 2020

Example sentences 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
/ (ˈprʌsɪk) /


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

Medical definitions for prussic acid

prussic acid
[ prŭsĭk ]


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

Scientific definitions for prussic acid

prussic acid
[ prŭsĭk ]

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