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obtriangular

obtriangular

adjective

triangular, with the apex at the base or pointing downward

L1328851 on Wikidata ↗

Wiktionary

adj

Etymology: From ob- + triangular.

triangular with the apex downwards

Definitions from Wikidata Lexemes (CC0). Definitions also from Wiktionary (CC BY-SA 4.0).

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