diameter
di·am·e·ter / dīˈamitər/ (abbr.: diam.) • n. 1. a straight line passing from side to side through the center of a body or figure, esp. a circle or sphere. ∎ the length of this line. ∎ a transverse measurement of something; width or thickness.2. a unit of linear measurement of magnifying power.DERIVATIVES: di·am·e·tral / -trəl/ adj.
diameter
diameter XIV. — (O)F. diamètre — L. diametrus, -os — Gr. diámetros, f. DIA- + métron measure.
So diametrical XVI.
So diametrical XVI.
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