pentiamond

P3E1N1T1I1A1M3O1N1D2

noun

A polyiamond made up of five triangles.

Scrabble 15
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounpentiamond (plural pentiamonds)

plural pentiamonds

  1. geometryA polyiamond made up of five triangles.

Origin

pent(a)- + (poly)iamond

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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