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Dictionary


trig•o•nal



Pronunciation: (trig'u-nl), [key]
adj.
1. of, pertaining to, or shaped like a triangle; having three angles; triangular.
2. Crystall.having threefold symmetry.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

trigontrigonal trisoctahedron
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