Apothem

Pronunciation

• enPR: ăpÉ™-thÄ•m′
• IPA: /ˈæp.É™.θɛm/
• Homophones: apothegm

Origin

From Ancient Greek ἀπόθεμα (apothema, "deposit"), from ἀπό (apo, "off, away") + θέμα (thema, "that which is laid down").

Full definition of apothem

Noun

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).