| 单词 | pentadecagon |
| 释义 | pentadecagon[ pen-tuh-dek-uh-gon, -guhn ] / ˌpɛn təˈdɛk əˌgɒn, -gən / noun Geometry.a polygon having 15 angles and 15 sides. Origin of pentadecagonpenta- + decagon Words nearby pentadecagonpentachloronitrobenzene, pentachlorophenol, pentacle, pentad, pentadactyl, pentadecagon, pentaerythritol, pentaerythritol tetranitrate, pentagon, pentagonal dodecahedron, Pentagonese Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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