Apothem Definition

ăpə-thĕm

noun

The perpendicular distance from the center of a regular polygon to any of its sides.

American Heritage

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

Webster's New World

(geometry) The perpendicular distance from the center of a circle to a chord of the same circle.

Wiktionary

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

Wiktionary

Other Word Forms of Apothem

Singular:

apothem

Plural:

apothems

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

From Wiktionary
apo– Greek thema something laid down theme

From American Heritage Dictionary of the English Language, 5th Edition

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