Synonyms for Radius

Measure
acreage amount amplitude area beam being body breadth bulk caliber	calibrate continuum depth diameter dimension expanse expansion extension extent	gauge girth greatness height largeness length magnitude mass measure	measurement proportion radius range scope size tune volume width

Normal
axis beeline chord crossing cutoff diagonal	diameter direct line normal orthogonal perpendicular radius	rectangular secant segment shortcut straightaway streamline	tangent together uptight vector

Crown
annulet apogee areola armory aura aureole bandeau baton beads circumference	circus corona coronet crescent crown cycle diadem discus disk	fleur-de-lis garland glory halo jangling lasso loop nimbus noose	radius rainbow rondelle rose roundel saucer sphincter vicious circle wreath