tachylyte Hear it!

tachylyte definition

tachy·lyte or tachylite tach′y·lite′ (tak′ə līt′)

noun

a kind of dark-colored, basaltic volcanic glass

Etymology: Ger tachylit < Gr tachys, swift (see tachy-) + lytos, soluble < lyein, to dissolve (see lysis): from its rapid decomposition in acids

Related Forms:

  • tachylytic tach′y·lyt′ic (-lit′ik) adjective

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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