hyalophane: Meaning and Definition of

hy•al•o•phane

Pronunciation: (hī-al'u-fān", hī'u-lu-), [key]
— n. Mineral.
  1. a variety of orthoclase in which some of the potassium is replaced by barium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.