cyan-amide

cy·an·a·mide

[sahy-an-uh-mid, -mahyd, sahy-uh-nam-ahyd, -id]
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, cy·an·a·mid [sahy-an-uh-mid, sahy-uh-nam-id] .


Origin:
1830–40; cyan-2 + amide

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cyanamide or cyanamid (saɪˈænəˌmaɪd, -mɪd, saɪˈænəmɪd) [Click for IPA pronunciation guide]
 
n
1.  Also called: cyanogenamide 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
 
cyanamid or cyanamid (saɪˈænəˌmaɪd, -mɪd, saɪˈænəmɪd, ˌsaɪənəʊˈdʒɛnəˌmaɪd, -mɪd) [Click for IPA pronunciation guide]
 
n

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00:10
Cyan-amide is always a great word to know.
So is interrobang. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a gadget; dingus; thingumbob.
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