1 zinc yellow | Definition of zinc yellow
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zinc yellow

noun

Definition of zinc yellow

1 : a greenish yellow pigment that is usually made by reaction of zinc oxide, potassium dichromate, and sulfuric acid and then has the approximate composition 4ZnO.K2O.4CrO3.3H2O of a complex salt and that is used chiefly in corrosion-inhibiting priming coats and in printing inks

— called also zinc chrome

2 : light chrome yellow

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