Source : Webster's Revised Unabridged Dictionary (1913)

Oroide \O"roide\, n. [F. or gold (L. aurum) + Gr. ? form.]
   An alloy, chiefly of copper and zinc or tin, resembling gold
   in color and brilliancy. [Written also {oreide}.]

Source : WordNet®

oroide
     n : alloy of copper and tin and zinc; used in imitation gold
         jewelry [syn: {oreide}]