apothem


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ap·o·them

, apotheme (ap'ō-them, ap'ō-thēm),
A precipitate caused by long boiling of a vegetable infusion or by its exposure to air.
[G. apo, from, + thema, something set down, fr. tithēmi, to place]

apothem

A line drawn from the edge of a polygon to its geometric centre, or vice versa.
References in periodicals archive ?
2n] are similar, so the ratio of their perimeters is in the same ratio as the lengths of their corresponding sides, which in turn are in the same ratios as the lengths of their apothems, [a.