propylite Hear it!

propylite definition

propy·lite (präp′ə līt′)

noun

a dark-colored form of andesite altered by the action of hot springs and consisting of such minerals as calcite, chlorite, etc.

Etymology: < Gr propylon, gateway (< pro-, before + pylē, gate) + -ite

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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