topaz Hear it!

topaz definition

to·paz (tō′paz′)

noun

  1. a light-colored or colorless, very hard, orthorhombic mineral, Al(SiO)(F,OH), often used as a gem; hydrous aluminum silicate
  2. any of a various yellowish minerals that resemble yellow topaz, esp. citrine
  3. either of two brightly colored hummingbirds (Topaza pyra or T. pella) of South America

Etymology: ME topace < OFr topase < L topazus < Gr topazos

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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