Chem. [f. as prec. + -IN.] (See quot. 1863.)

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1844.  Mech. Mag., XLI. 167. The Colorine of commerce is the residue from the distillation of the alcoholic liquid obtained in the treatment of the charbon sulphurique with spirits of wine.

2

1863–72.  Watts, Dict. Chem., Colorin, a colouring matter obtained by Robiquet and Colin from madder, since shown to be impure alizarin.

3

1870.  J. W. Slater, Manual of Colours, 50. Colorin.

4