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Meaning of cobaltous hydroxide

cobal'tous hydrox'ide

Pronunciation: [key]
  1. a rose-red, amorphous, water-insoluble powder, CoO&multiplydot;3HO, used chiefly in the preparation of cobalt salts and in the manufacture of paint and varnish driers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.