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: C C- C. C2 Ca Cb Cc Cd Ce Cf Cg Ch Ci Cj Cl Cm Cn Co Cp Cr Cs Ct Cu Cv Cw Cx Cy Cz
cyanobacterial | cyanobacterium pl. cyanobac | cyanocitta | cyanocitta cristata | cyanocobalamin | cyanogen | cyanogenetic | cyanogenic | cyanohydrin | cyanometer | cyanopathy

cyanogen

 : 
Noun
 : 
cy=an=o=gen

CIDE DICTIONARY

cyanogenn. [Gr. ky`anos a dark blue substance + -gen: cf. F. cyanogène. So called because it produced blue dyes.].
     A colorless, inflammable, poisonous gas, C2N2, with a peach-blossom odor, so called from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a member of the halogen group of elements, and shows a tendency to form complex compounds. The name is also applied to the univalent radical, CN (the half molecule of cyanogen proper), which was one of the first compound radicals recognized.  [1913 Webster]
    " Cyanogen is found in the commercial substances, potassium cyanide, or prussiate of potash, yellow prussiate of potash, Prussian blue, Turnbull's blue, prussic acid, etc."  [1913 Webster]

OXFORD DICTIONARY

cyanogen, n. Chem. a colourless highly poisonous gas intermediate in the preparation of many fertilizers.

Usage
Chem. formula: C2N2
Etymology
F cyanog{egrave}ne f. Gk kuanos dark-blue mineral, as being a constituent of Prussian blue

ROGET THESAURUS

cyanogen

Blueness

N blueness, blue, garter-blue, watchet, ultramarine, smalt, cobalt, cyanogen, Prussian blue, syenite blue, bice, indigo, zaffer, lapis lazuli, sapphire, turquoise, indicolite, blueness, bluishness, bloom, blue, azure, cerulean, sky-blue, sky-colored, sky-dyed, cerulescent, powder blue, bluish, atmospheric, retiring, cold.


For further exploring for "cyanogen" in Webster Dictionary Online


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