eicosaedrum

名词 n.
中文释义

英文释义

名词 n.
  1. Obsolete form of icosahedron. alt-of,obsolete
    — […] That there are Five regular Bodies in Geometry, neither more nor less, viz., the Cube, the Tetraedrum, the Octaedrum, the Dodecaedrum and the Eicosaedrum […]

词源

From εἴκοσι (eíkosi) (twenty) + ἕδρα (hédra) (seat, base).
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