circumradius: Meaning and Definition of

cir•cum•ra•di•us

Pronunciation: (sûr"kum-rā'dē-us), [key]
— pl. -di•i -di•us•es.
  1. the radius of the circle circumscribed around a triangle.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.