propylite: Meaning and Definition of

prop•y•lite

Pronunciation: (prop'u-līt"), [key]
— n. Petrog.
  1. a hydrothermally altered andesite or allied rock containing secondary minerals, as calcite, chlorite, serpentine, or epidote.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.