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View definitions for trigonal

trigonal

adjective as in triangular

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Example Sentences

Orifice either large and rounded-trigonal, or small and oval, either entire or less frequently toothed.

Parietes ribbed, mottled purplish-red; orifice broad, trigonal, hardly toothed.

The horns are trigonal, laterally compressed and knotted on the upper edge.

When the whorls are angulated, a trigonal aperture is the result, as in many species of Trochus.

Mactracea (plates, fig. 77 to 88), the cartilage placed in a trigonal pit, with a small external ligament.

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On this page you'll find 24 synonyms, antonyms, and words related to trigonal, such as: ternary, third, treble, trilateral, trinitarian, and triple.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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