- the perpendicular line or distance from the centre of a regular polygon to any of its sides
| 单词 | apothem |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 ap•o•them (ap′ə them′),USA pronunciation n. [Geom.]
Collins Concise English Dictionary © HarperCollins Publishers:: apothem /ˈæpəˌθɛm/ n
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