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alkali blue

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noun Chemistry.

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.

QUIZZES

QUIZ YOURSELF ON “ITS” VS. “IT’S”!

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
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