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prussic acid

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prussic acid

–noun Chemistry.
hydrocyanic acid.

Origin:
1780–90; trans. of F acide prussique (equiv. to Prusse Prussia + -ique -ic ); so called because it was first obtained by heating Prussian blue with sulfuric acid

hydrocyanic acid

–noun
a colorless, highly poisonous liquid, HCN, an aqueous solution of hydrogen cyanide.
Also called prussic acid.


Origin:
1810–20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To prussic acid
hy·dro·cy·an·ic acid   (hī'drō-sī-ān'ĭk)   
n.  An aqueous solution of hydrogen cyanide. Also called prussic acid.
prus·sic acid   (prŭs'ĭk)   
n.  See hydrocyanic acid.

[So called because it was first obtained from Prussian blue.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: hy·dro·cy·an·ic acid
Pronunciation: "hI-drO-sI-"an-ik-
Function: noun
: an aqueous solution of hydrogen cyanide HCNthat is an extremely poisonous weak acid used especially in fumigating called also prussic acid

Main Entry: prus·sic acid
Pronunciation: "pr&s-ik-
Function: noun
: HYDROCYANIC ACID
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

hydrocyanic acid hy·dro·cy·an·ic acid (hī'drō-sī-ān'ĭk)
n.
An aqueous solution of hydrogen cyanide that is a poisonous weak acid. Also called prussic acid.

prussic acid prus·sic acid (prŭs'ĭk)
n.
See hydrocyanic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
hydrocyanic acid   (hī'drō-sī-ān'ĭk)  Pronunciation Key 
An aqueous solution of hydrogen cyanide, having a characteristic smell of bitter almonds. Also called prussic acid.
prussic acid   (prŭs'ĭk)  Pronunciation Key 
See hydrocyanic acid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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