Circumference - Meaning, Definition & English Examples
Circumference is the distance around the edge of a circle or any rounded object. It is calculated using the formula 2πr, where r is the radius.
Definition:
The distance around the edge of a circle or any rounded geometric figure.
Synonyms:
perimeter, boundary, edge, rim
Part of Speech:
noun
Antonyms:
center, diameter
Common Collocations:
measure the circumference, calculate the circumference, wide circumference
Derivatives:
circumferential, circumferentially
Usage Tips:
Use "circumference" when referring to the outer boundary of circular objects or shapes.
Common Phrases:
around the circumference, within the circumference, full circumference
Etymology:
From Latin "circumferentia," meaning "a carrying around," from "circum" (around) and "ferre" (to carry).
Examples:
- 1. The circumference of the Earth is approximately 40,075 kilometers at the equator.
- 2. She measured the circumference of the tree trunk to estimate its age.
- 3. The formula for calculating a circle's circumference is π multiplied by its diameter.
- 4. A marathon runner covers a distance close to the Earth's polar circumference over months of training.