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单词 polyiamond
释义

Definition of polyiamond in English:

polyiamond

noun ˌpɒlɪˈʌɪəmənd
Geometry
  • A planar shape formed by joining a number of identical equilateral triangles by their edges.

Origin

1960s; earliest use found in Scientific American. From poly- + iamond, by analogy, taking the d- of diamond (by an intentional false etymology) to represent either di- or duo-: compare polyabolo, polyomino, etc.

Definition of polyiamond in US English:

polyiamond

nounˌpɒlɪˈʌɪəmənd
Geometry
  • A planar shape formed by joining a number of identical equilateral triangles by their edges.

Origin

1960s; earliest use found in Scientific American. From poly- + iamond, by analogy, taking the d- of diamond (by an intentional false etymology) to represent either di- or duo-: compare polyabolo, polyomino, etc.

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更新时间:2025/7/5 13:31:15