prehnite: Meaning and Definition of

prehn•ite

Pronunciation: (prā'nīt, pren'īt), [key]
— n.
  1. a mineral, hydrous calcium aluminum silicate, CaAlSiO(OH), occurring in light-green reniform aggregates or tabular crystals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.