polyiamond

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noun

A polyform made by joining one or more equilateral triangles edge to edge in various arrangements, with every polyiamond corresponding to a polyhex.

Similar
n-iamond
Scrabble 18
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Meanings

nounpolyiamond (plural polyiamonds)

plural polyiamonds

  1. geometryA polyform made by joining one or more equilateral triangles edge to edge in various arrangements, with every polyiamond corresponding to a polyhex.

    Synonyms: n-iamond

Synonyms & antonyms

nounA polyform made by joining one or more equilateral triangles edge to edge in various arrangements, with every polyiamond corresponding to a polyhex.

Similar
n-iamond
Also see
n-iamond

Origin

Blend of poly- + diamond, the polyiamond made up of two triangles being a diamond or rhombus.

Full word history & related roots →

Rhymes & wordplay

Anagrams

polydomain
Cite this entry
APA

polyiamond. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/polyiamond

MLA

“polyiamond.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/polyiamond. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “polyiamond,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/polyiamond.

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