apothem

English

The apothem of a hexagon.

Etymology

From Ancient Greek ἀπόθεμα (apóthema, “deposit”), from ἀπό (apó, “off, away”) + θέμα (théma, “that which is laid down”).

Pronunciation

• enPR: ăpə-thĕm′
• IPA^(key): /ˈæp.ə.θɛm/

• Audio (US)

  (file)

• Homophone: apothegm

Noun

apothem (plural apothems)

1. (geometry) The perpendicular distance from the center of a circle to a chord of the same circle.
2. (geometry) The distance from the center of a regular polygon perpendicular to one of its sides (a special case of the above).

Translations

perpendicular distance from the center of a circle to a chord

• Finnish: apoteema (fi)
• French: apothème (fr)

• German: Inkreisradius m

the distance from the center of a polygon to a side

• Bulgarian: апотема (apotema)
• Finnish: apoteema (fi)
• French: apothème (fr)
• German: Inkreisradius m
• Greek: απόστημα (el) (apóstima)

• Hungarian: apotéma
• Ido: apotemo (io)
• Portuguese: apótema (pt) m
• Spanish: apotema (es) f