cir·cum·fer·ence 
/sɚˈkʌmfrəns/ noun
plural cir·cum·fer·encenc·es /sɚˈkʌmfrəns/ noun 1 : the length of a line that goes around something or that makes a circle or other round shape [count] ▪ Calculate the circle's circumference. ▪ What is the circumference of the Earth at the equator? [noncount] ▪ The circle is 38 inches in circumference. — see picture at geometry 2 [count] : the outer edge of a shape or area
▪ The fence marks the circumference of the field.
▪ The fence marks the circumference of the field.
