selenite Hear it!

selenite definition

sel·enite (selə nīt′)

noun

  1. a kind of gypsum found in transparent crystals
  2. a salt of selenous acid containing the divalent, negative radical SeO

Etymology: L selenites < Gr selēnitēs (lithos), lit., moon (stone) < selēnē, the moon: once thought to wax and wane with the moon

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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