Results for: circumference
1. (Mathematics) the boundary of a specific area or geometric figure, esp of a circle
2. (Mathematics) the length of a closed geometric curve, esp of a circle. The circumference of a circle is equal to the diameter multiplied by π
[from Old French circonference, from Latin circumferre to carry around, from circum- + ferre to bear]
circumferential [səˌkʌmfəˈrɛnʃəl] adj
circumference /srkmfrns, frns/ n. 1 the distance around a circle 2 the distance around the outer boundary of s.t. round or circular: The circumference of the earth is over 40,000 km (nearly 25,000 miles).