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circumference

noun
🔊/səˈkʌmfərəns/
🔊/sərˈkʌmfərəns/
 [countable, uncountable]
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  1. a line that goes around a circle or any other curved shape; the length of this line圆周；圆周长
    • the circumference of a circle圆的周长
    • the circumference of the earth地球的周长
    • in circumference The earth is almost 25 000 miles in circumference.地球的周长大约为 25 000 英里。🔊🔊
    compare perimeterTopics Colours and Shapesc2, Maths and measurementc2
    Oxford Collocations Dictionaryverb + circumference
    • have
    • calculate
    • measure
    • …
    preposition
    • in circumference
    • circumference of
    See full entry
    Word Originlate Middle English: from Old French circonference, from Latin circumferentia, from circum ‘around, about’ + ferre ‘carry, bear’.