From Longman Dictionary of Contemporary EnglishRelated topics: Maths, Measurementcircumferencecir‧cum‧fer‧ence /səˈkʌmfərəns $ sər-/ noun[countable usually singular, uncountable]HM the distance or measurement around the outside of a circle or any round shape → diameter, perimeter, radiuscircumference of
the circumference of the Earthin circumference
The island is only nine miles in circumference.Examples from the Corpuscircumference• This is about two and one-half times less than the actualcircumference of about 25,000 miles.• The center and circumference of all democracy!• The trend in cardiovascularmortality with externalconjugate was abolished by allowing for head circumference.• Consider figure 6. 2; there the unitlengthcircumference of the circle represents all potentialvarieties.• These were grouped into four sets of four placed at 90 intervals round the circumference of the module.• The Vesica piscis On the diameter of a circle an equilateral triangle is described centrally such that its apex just touches the circumference.• She would only be able to move within the circumference of that tree.in circumference• The cable is 1 meterin circumference.Origincircumference(1300-1400)Old FrenchLatincircumferentia, from circumferre“to carry around”, from circum- (CIRCUM-) + ferre“to carry”