trigonal Hear it!

trigonal definition

trigo·nal (trig′ə nəl)

adjective

  1. of a triangle; triangular
  2. of a trigon
  3. rhombohedral (sense )

Etymology: L trigonalis

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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