from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A poisonous emerald-green powder, C4H6As6Cu4O16, used as a pigment, insecticide, and wood preservative.

from The Century Dictionary.

  • noun See green.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun copper(II) acetoarsenite, a highly toxic blue-green compound used as a pigment, colorant, insecticide and rodenticide.
  • adjective Of a shade of pale green, originally produced with Copper(II) acetoarsenite

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

  • noun a shade of green tinged with yellow
  • noun a toxic double salt of copper arsenate and copper acetate


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