Chem. [f. CYAN- 1 + -INE.]

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  1.  A blue dye-stuff prepared from chinoline with amyl iodide, used in calico-printing.

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1872.  Watts, Dict. Chem., VI. 431.

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  2.  Cyanine blue: the name of a permanent blue pigment, a compound of cobalt and Prussian blue.

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1886.  Pall Mall Gaz., 13 Sept., 13/2. (Water-colours unchanged by light) Cyanine blue. Prussian blue. Cobalt. [etc.].

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