apothem
n. 边心距 [医] 浸剂沉淀物
发音
US
/ˈæp.ə.θɛm/
词形变化
apothems
复数
apothems
释义与例句
n.
-
1.
The perpendicular distance from the center of a circle to a chord of the same circle.
数学 -
2.
The distance from the center of a regular polygon perpendicular to one of its sides (a special case of the above).
边心距
数学
词源
From Ancient Greek ἀπόθεμα (apóthema, “deposit”), from ἀπό (apó, “off, away”) + θέμα (théma, “that which is laid down”).
来源:wiktionary