Dictionary  cobal'tous hydrox'idea rose-red, amorphous, water-insoluble powder, Co2O3·3H2O, used chiefly in the preparation of cobalt salts and in the manufacture of paint and varnish driers. Also,co'balt hydrox'ide,cobal'tic hydrox'ide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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