a. [ Gr. &unr_;; &unr_; equal + &unr_; circumference: cf. F. isopérimètre. See Perimeter. ] (Geom.) Having equal perimeters of circumferences; as, isoperimetrical figures or bodies. [ 1913 Webster ]

{ } a. Of or pertaining to the perimeter, or to perimetry; as, a perimetric chart of the eye. [ 1913 Webster ]