Dictionary

circumference

noun cir·cum·fer·ence \sə(r)-ˈkəm(p)-fərn(t)s, -f(ə-)rən(t)s\

: the length of a line that goes around something or that makes a circle or other round shape

: the outer edge of a shape or area

Full Definition of CIRCUMFERENCE

1
:  the perimeter of a circle
2
:  the external boundary or surface of a figure or object :  periphery
cir·cum·fer·en·tial \-ˌkəm(p)-fə-ˈren(t)-shəl\ adjective
ADVERTISEMENT

Examples of CIRCUMFERENCE

  1. What is the circumference of the Earth at the equator?
  2. The circle is 38 inches in circumference.
  3. The fence marks the circumference of the field.

Origin of CIRCUMFERENCE

Middle English, from Middle French & Latin; Middle French, from Latin circumferentia, from circumferre to carry around, from circum- + ferre to carry — more at bear
First Known Use: 14th century

Related to CIRCUMFERENCE

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb
CIRCUMFERENTIAL Defined for Kids

circumference

noun cir·cum·fer·ence \sər-ˈkəm-fə-rəns, -fərns\

Definition of CIRCUMFERENCE for Kids

1
:  the line that goes around a circle
2
:  a boundary line enclosing an area <A fence marks the circumference of the yard.>
3
:  the distance around something

Browse

Next Word in the Dictionary: circumferentorPrevious Word in the Dictionary: circumeterAll Words Near: circumference
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears