apothem
/ˈæpəθem/noun
- Geometry a line from the centre of a regular polygon at right angles to any of its sides【几何】边心距。
词源
late 19th cent.: from Greek apotithenai 'put aside， deposit'， from apo 'away' + tithenai 'to place'.
| 单词 | apothem |
| 释义 | apothem/ˈæpəθem/noun
词源 late 19th cent.: from Greek apotithenai 'put aside， deposit'， from apo 'away' + tithenai 'to place'. |
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