bifrustum

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noun

A polyhedron constructed from two congruent frusta combined across a plane of symmetry, or equivalently from a bipyramid with the two polar vertices truncated.

Scrabble 16
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Meanings

nounbifrustum (plural bifrusta or bifrustums)

plural bifrusta · plural bifrustums

  1. A polyhedron constructed from two congruent frusta combined across a plane of symmetry, or equivalently from a bipyramid with the two polar vertices truncated.

Origin

From bi- + frustum.

Full word history & related roots →
Cite this entry
APA

bifrustum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/bifrustum

MLA

“bifrustum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bifrustum. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “bifrustum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/bifrustum.

Source: bifrustum on Wiktionary, CC BY-SA 4.0.