circumference
UK: /səˈkʌm.fər.əns/ | US: /sɚˈkʌm.fɚ.əns/
n. the boundary or perimeter of a circle or other curved geometric shape
n. the distance around the edge of a circular object
circumference = circum<around> + fer<carry> + ence<noun suffix>
- circum (from Latin circum, meaning "around")
- fer (from Latin ferre, meaning "to carry" or "to bear")
- ence (a noun-forming suffix indicating state or quality, from Latin -entia)
Etymology Origin:
The word circumference traces back to Latin circumferentia, combining circum ("around") and ferre ("to carry"). The logic is vivid: it metaphorically describes "carrying around" the edge of a circle, reflecting the measurement of a circular boundary. This construction was adopted into Middle English via Old French, retaining its geometric precision.
The circumference of the Earth is approximately 40,075 kilometers.
To find the circumference, multiply the diameter by pi (π).
The artist drew a perfect circle, carefully measuring its circumference.
The rope was cut to match the circumference of the tree trunk.
In geometry class, we learned how to calculate the circumference using different formulas.