Noun: circumference sur'kúm-fu-run(t)s
- The size of something as given by the distance around it
"They measured the circumference of the tree trunk";
- perimeter
- The length of the closed curve of a circle
"The circumference of the circular pool was calculated using pi and the diameter"
- The boundary line encompassing an area or object
"a danger to all races over the whole circumference of the globe"; "he had walked the full circumference of his land";
- circuit
Derived forms: circumferences
Type of: border, borderline, boundary line, delimitation, length, mete, size
Encyclopedia: Circumference