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cyanide

[sahy-uh-nahyd, -nid] /ˈsaɪ əˌnaɪd, -nɪd/
noun
1.
Also, cyanid, C10/C1079000 sahy-uh-nid, ˈsaɪ ə nɪd. Chemistry.
  1. a salt of hydrocyanic acid, as potassium cyanide, KCN.
  2. a nitrile, as methyl cyanide, C 2 H 3 N.
verb (used with object), cyanided, cyaniding.
2.
to treat with a cyanide, as an ore in order to extract gold.
Origin
1820-1830
1820-30; cyan-3 + -ide
Related forms
subcyanid, noun
subcyanide, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for subcyanide

cyanide

/ˈsaɪəˌnaɪd/
noun
1.
any salt of hydrocyanic acid. Cyanides contain the ion CN and are extremely poisonous
2.
another name (not in technical usage) for nitrile
Derived Forms
cyanidation, noun
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
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Word Origin and History for subcyanide
cyanide
1826, coined from cyan-, comb. form for carbon and nitrogen compounds, from Gk. kyanos "dark blue enamel, lapis lazuli" (see cyan) + chemical ending -ide. So called because it first had been obtained by heating the dye pigment powder known as Prussian blue (see Prussian).
Online Etymology Dictionary, © 2010 Douglas Harper
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subcyanide in Medicine

cyanide cy·a·nide (sī'ə-nīd') or cy·a·nid (-nĭd)
n.
Any of various salts or esters of hydrogen cyanide containing a CN group, especially the extremely poisonous compounds potassium cyanide and sodium cyanide.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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subcyanide in Science
cyanide
  (sī'ə-nīd')   
Any of a large group of chemical compounds containing the radical CN, especially the very poisonous salts sodium cyanide and potassium cyanide. Cyanides are used to make plastics and to extract and treat metals.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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