willemite: Meaning and Definition of

wil•lem•ite

Pronunciation: (wil'u-mīt"), [key]
— n.
  1. a mineral, a zinc silicate, ZnSiO, sometimes containing manganese, occurring in prismatic crystals or granular masses, usually greenish, sometimes white, brown, or red: a minor ore of zinc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.