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cyanamide

[sahy-an-uh-mid, -mahyd, sahy-uh-nam-ahyd, -id] /saɪˈæn ə mɪd, -ˌmaɪd, ˌsaɪ əˈnæm aɪd, -ɪd/
noun, Chemistry
1.
a white, crystalline, unstable, deliquescent solid, CH 2 N 2 , usually produced by the action of ammonia on cyanogen chloride or by the action of sulfuric acid on calcium cyanamide.
2.
(not in technical use) calcium cyanamide.
Also, cyanamid
[sahy-an-uh-mid, sahy-uh-nam-id] /saɪˈæn ə mɪd, ˌsaɪ əˈnæm ɪd/ (Show IPA)
.
Origin
1830-1840
1830-40; cyan-2 + amide
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for cyanamide
  • If exposed to water or high temperatures, calcium cyanamide may generate toxic and flammable fumes.
  • cyanamide has to be stabilized by pH-buffer against dimerization and decomposition.
  • Hydrogen cyanamide is a solid with considerable vapor pressure.
British Dictionary definitions for cyanamide

cyanamide

/saɪˈænəˌmaɪd; -mɪd/
noun
1.
Also called cyanogenamide (ˌsaɪənəʊˈdʒɛnəˌmaɪd; -mɪd). a white or colourless crystalline soluble weak dibasic acid, which can be hydrolysed to urea. Formula: H2NCN
2.
a salt or ester of cyanamide
3.
short for calcium cyanamide
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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