Word Study
trigonal |
trigone |
trigonella |
trigonella foenumgraecum |
trigonella ornithopodioides |
trigonia
| trigonocerous
| trigonodont
| trigonometric
| trigonometric function
| trigonometrical
trigonia
CIDE DICTIONARY
trigonia, n. [NL. See Trigon. So called in allusion to the triangular shape of some species.].
A genus of pearly bivalve shells, numerous extinct species of which are characteristic of the Mesozoic rocks. A few living species exist on the coast of Australia. [1913 Webster]
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