cyanine Chem.
(ˈsaɪənaɪn)
[f. cyan- 1 + -ine.]
1. A blue dye-stuff prepared from chinoline with amyl iodide, used in calico-printing.
| 1872 Watts Dict. Chem. VI. 431. |
2. cyanine blue: the name of a permanent blue pigment, a compound of cobalt and Prussian blue.
| 1886 Pall Mall G. 13 Sept. 13/2 (Water-colours unchanged by light) Cyanine blue, Prussian blue, Cobalt, etc. |