trigonal: Meaning and Definition of

trig•o•nal

Pronunciation: (trig'u-nl), [key]
— adj.
  1. of, pertaining to, or shaped like a triangle; having three angles; triangular.
  2. having threefold symmetry.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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