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Webster 1913 Edition

Trirhomboidal

Triˊrhom-boid′al

,

Adj.

[Pref.

tri-

+

rhomboidal

.]

Having three rhombic faces or sides.

Webster 1828 Edition

Trirhomboidal

TRIRHOMBOID'AL

,

Adj.

[tri and rhomboidal.] Having the form of three rhombs.