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trigonal |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Trigonal \Trig"o*nal\, a. Having three angles, or corners; triangular; as a trigonal stem, one having tree prominent longitudinal angles. From WordNet r 1.6 [wn]: trigonal adj : (crystallography) having three-fold symmetry [syn: {rhombohedral}]
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