trihedron

[trahy-hee-druhn]

noun

Geometry.

plural

trihedrons, trihedra 

1. the figure determined by three planes meeting in a point.

trihedron

/ traɪˈhiːdrən /

noun

1. a figure determined by the intersection of three planes

Word History and Origins

Origin of trihedron¹

First recorded in 1820–30; tri- + -hedron

Example Sentences

By contrast, Irene Worth is marvelously regal as Jocasta, especially in one memorable scene of horror as she impales herself on a trihedron as if to mortify her treacherous womb.

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I have been laughing over my 'trihedron.'

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