circumcenter

noun

cir·​cum·​cen·​ter ˈsər-kəm-ˌsen-tər 

: the point at which the perpendicular bisectors of the sides of a triangle intersect and which is equidistant from the three vertices

Word History

First Known Use

circa 1889, in the meaning defined above

Kids Definition

circumcenter

noun

cir·​cum·​cen·​ter ˈsər-kəm-ˌsen-tər 

: the point at which the three perpendicular bisectors of the sides of a triangle intersect and which is the same distance from each of the three vertices of the triangle