apothem

[ ap-uh-them ]
/ ˈæp əˌθɛm /

noun Geometry.

a perpendicular from the center of a regular polygon to one of its sides.

Origin of apothem

1855–60; < French apothème, probably on the model of Greek hypóthēma base; see apo-, theme

Example sentences from the Web for apothem

British Dictionary definitions for apothem

apothem
/ (ˈæpəˌθɛm) /

noun

the perpendicular line or distance from the centre of a regular polygon to any of its sides

Word Origin for apothem

C20: from apo- + Greek thema, from tithenai to place