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单词 pentahedrous
释义

pentahedrousadj.

Forms: 1700s pentaedrous.
Origin: Formed within English, by derivation. Etymons: pentahedron n., -ous suffix.
Etymology: < pentahedron n. + -ous suffix. Compare earlier pentahedrical adj.
Obsolete. rare.
= pentahedral adj.
ΘΚΠ
the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > having number of faces > pentahedral
pentahedrical1658
pentahedrousa1728
pentahedral1758
a1728 J. Woodward Attempt Nat. Hist. Fossils Eng. (1729) 120 The pentaedrous Columnar Coralloid Bodies are compos'd of Plates set lengthways.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online December 2020).
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adj.a1728
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