Английский разговорный словарь (основной) - circumference
Circumference
circumference
səˈkʌmfərəns n. 1 the enclosing boundary, esp. of a circle or otherfigure enclosed by a curve. 2 the distanceround. øøcircumferential adj. circumferentially adv. [ME f. OF circonference f. L circumferentia (as CIRCUM-, ferre bear)]