from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various light-resistant and heat-resistant, semitransparent blue pigments of powerful tinctorial strength, used chiefly in permanent industrial finishes, printing inks, and artists' colors. Also called Prussian blue.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. slightly purplish or bluish dark grey
  • n. any of various blue pigments


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