apothem
Ap"o*them, n. Etym: [Gr. 1. (Math.) Defn: The perpendicular from the center to one of the sides of a regular polygon. 2. A deposit formed in a liquid extract of a vegetable substance by exposure to the air.
Ap"o*them, n. Etym: [Gr. 1. (Math.) Defn: The perpendicular from the center to one of the sides of a regular polygon. 2. A deposit formed in a liquid extract of a vegetable substance by exposure to the air.