Meaning of polycrystalline

pol•y•crys•tal•line

Pronunciation: (pol"ē-kris'tl-in, -īn", -ēn"), [key]
— adj.
  1. (of a rock or metal) composed of aggregates of individual crystals.
  2. having or consisting of crystals that are variously oriented.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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