Polyiamond

noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A polyform made by joining one or more equilateral triangles edge to edge in various arrangements. Every polyiamond corresponds to a polyhex,

Synonyms

All synonyms
n iamondn-iamond

Etymology

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

Related phrases

equilateral triangle

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.