icosaedrum

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A form of icosahedron — A polyhedron with twenty faces.

Scrabble 15
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Meanings

nounicosaedrum (plural icosaedra)

plural icosaedra

  1. obsoleteObsolete form of icosahedron.

    […] for example, a rightly-cut Tetraedrum, Cube or Icosaedrum have no more pulchritude in them, then any rude broken stone lying in the field or high-ways […]

    1662, Henry More, An Antidote Against Atheism, Book II, A Collection of Several Philosophical Writings of Dr. Henry More, p. 54
Cite this entry
APA

icosaedrum. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/icosaedrum

MLA

“icosaedrum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/icosaedrum. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “icosaedrum,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/icosaedrum.

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