fluoboric acid

noun

fluo·​boric acid

"+…-

: a poisonous strong acid HBF₄ made in solution by dissolving boron trifluoride in water or by adding boric acid to concentrated hydrofluoric acid and used in solution or in the form of salts chiefly in electroplating baths

called also borofluoric acid

Word History

Etymology

fluo- + boric

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