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  1. Dictionary

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    cir·cum·fer·ence
    [sərˈkəmf(ə)rəns]
    noun
    circumference (noun) · circumferences (plural noun)
    1. the enclosing boundary of a curved geometric figure, especially a circle.
      • the distance around something:
        "babies who have small head circumferences" · "two inches in circumference"
        Similar:
        girth
        width
    Origin
    late Middle English: from Old French circonference, from Latin circumferentia, from circum ‘around, about’ + ferre ‘carry, bear’.
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  2. People also ask
    What is the difference between circumference and perimeter?
    The circumference is the arc length of the circle, as if it were opened up and straightened out to a line segment. More generally, the perimeter is the curve length around any closed figure. Circumference may also refer to the circle itself, that is, the locus corresponding to the edge of a disk.

    Circumference - Wikipedia

    en.wikipedia.org
    What is a circumference in math?
    The term circumference is used when measuring physical objects, as well as when considering abstract geometric forms. The circumference of a circle is related to one of the most important mathematical constants. This constant, pi, is represented by the Greek letter The first few decimal digits of the numerical value of are 3.141592653589793 ...

    Circumference - Wikipedia

    en.wikipedia.org
    What is the difference between radius and circumference?
    Circumference - The distance around the boundary of the circle, shown in green. Radius - The distance from the center of the circle to any point on the boundary of the circle (shown in red). Diameter - The distance through the center of a circle from one side of the circle (shown in blue). It is double the distance of the radius.

    Circumference - Math.net

    math.net
    What does circumference mean in a sentence?
    On the circumference of the barrel are gear teeth, and those teeth engage corresponding teeth on the arbor of the center. Circumference definition: the outer boundary, especially of a circular area; perimeter. See examples of CIRCUMFERENCE used in a sentence.

    CIRCUMFERENCE Definition & Meaning | Dictionary.com

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  3. Merriam Webster
    https://www.merriam-webster.com/dictionary/circumference

    Circumference Definition & Meaning - Merriam-Webster

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    3 Ways to Calculate the Circumference of a Circle - wikiHow
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  4. Dictionary
    https://www.dictionary.com/browse/circumference

    CIRCUMFERENCE Definition & Meaning | Dictionary.com

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    CIRCUMFERENCE | English meaning - Cambridge Dictionary
    dictionary.cambridge.org
    How to calculate circumference from diameter.
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  5. Videos of Define Circumference

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  6. Wikipedia
    https://en.wikipedia.org/wiki/Circumference

    Circumference - Wikipedia

  7. Cambridge Dictionary
    https://dictionary.cambridge.org/dictionary/english/circumference

    CIRCUMFERENCE | English meaning - Cambridge Dictionary

  8. Cambridge Dictionary
    https://dictionary.cambridge.org/us/dictionary/english/circumference

    CIRCUMFERENCE definition | Cambridge English Dictionary

  9. Math.net
    https://www.math.net/circumference

    Circumference - Math.net

    WEBCircumference is the length of the path around a circular or round shape. Learn how to find the circumference of a circle or an ellipse using different formulas and examples.

  10. The Free Dictionary
    https://www.thefreedictionary.com/circumference

    Circumference - definition of circumference by The Free …

  11. Khan Academy
    https://www.khanacademy.org/math/cc-seventh-grade...

    Radius, diameter, & circumference | Circles (article) | Khan …

  12. Oxford Learner's Dictionaries
    https://www.oxfordlearnersdictionaries.com/us/...

    circumference noun - Definition, pictures, pronunciation …

  13. Dictionary
    https://www.dictionary.com/browse/Circumference's

    CIRCUMFERENCE Definition & Usage Examples