Meaning of POLYCRYSTALLINE in English

POLYCRYSTALLINE

/pol'ee kris"tl in, -uyn', -een'/ , adj.

1. (of a rock or metal) composed of aggregates of individual crystals.

2. having or consisting of crystals that are variously oriented.

[ 1920-25; POLY- + CRYSTALLINE ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .