Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “circumference”

circumference

noun [C/U]  /sərˈkəm·fər·əns/ us  
geometry the distance around a circle: [U] Draw a circle 5 inches in circumference. A circumference is also the distance around the widest part of a round object, or a line enclosing a circular space. The circumference of an area of any size or shape is its complete outside edge: [C] We walked the circumference of the field so we wouldn’t interrupt the game.
(Definition of circumference from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of circumference?
Add Cambridge dictionaries to your browser to your website

Definitions of “circumference” in other dictionaries

Word of the Day

first:

(a person or thing) coming before all others in order, time, amount, quality, or importance

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More