alkali blue

American  

noun

Chemistry.

1. any of the class of blue pigments having the highest tinting strength, by weight, of all known blue pigments: used chiefly in the manufacture of printing inks.

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Example Sentences

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alkali blue

With faces blistered by the sun and caked with alkali, blue shirts faded to a purple tinge, and trousers and accouterments covered with a gray, powdery dust, the soldiers rode on silently and determinedly.

From The Round-Up A romance of Arizona novelized from Edmund Day's melodrama by Day, Edmund