circumference /sɚˈkʌmfrəns/ noun plural circumferences
plural circumferences
Learner's definition of CIRCUMFERENCE
1
: the length of a line that goes around something or that makes a circle or other round shape圆周;圆周长 [count]
[noncount]
— see picture at geometry 2
[count] : the outer edge of a shape or area周线;周界