a. [ Gr. &unr_;; &unr_; equal + &unr_; circumference: cf. F. isopérimètre. See Perimeter. ] (Geom.) Having equal perimeters of circumferences;
a. [ Gr. &unr_;; &unr_; equal + &unr_; circumference: cf. F. isopérimètre. See Perimeter. ] (Geom.) Having equal perimeters of circumferences;