• synonyms

barium carbonate

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noun Chemistry.
  1. a white, poisonous, water-insoluble powder, BaCO3, used chiefly in the manufacture of rodenticides, paints, and dyes.

Origin of barium carbonate

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018