iron blue: Meaning and Definition of

i'ron blue'

Pronunciation: [key]
  1. any of the class of blue pigments having a high tinting strength and ranging in shade and in coloring properties from reddish blue to jet blue: used chiefly in the manufacture of paints and printing inks.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.