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circumference

circumference


cir·cum·fer·ence  (sr-kmfr-ns)
n.
1. The boundary line of a circle.
2.
a. The boundary line of a figure, area, or object.
b. Abbr. c or circ. The length of such a boundary.

[Middle English, from Old French circonference, from Latin circumferentia, from circumferns, circumferent-, present participle of circumferre, to carry around : circum-, circum- + ferre, to carry; see bher-1 in Indo-European roots.]

cir·cumfer·ential (-f-rnshl) adj.
Synonyms: circumference, circuit, compass, perimeter, periphery
These nouns refer to a line around a closed figure or area: the circumference of the earth; followed the circuit around the park; stayed within the compass of the schoolyard; the perimeter of a rectangle; a fence around the periphery of the property.

circumference [səˈkʌmfərəns]
n
1. (Mathematics) the boundary of a specific area or geometric figure, esp of a circle
2. (Mathematics) the length of a closed geometric curve, esp of a circle. The circumference of a circle is equal to the diameter multiplied by π
[from Old French circonference, from Latin circumferre to carry around, from circum- + ferre to bear]
circumferential  [səˌkʌmfəˈrɛnʃəl] adj
circumferentially  adv

circumference  (sr-kmfr-ns)
1. The boundary line of a circle.
2. The boundary line of a figure, area, or object.
3. The length of such a boundary. The circumference of a circle is computed by multiplying the diameter by pi.


circumference  /srkmfrns, frns/  n. 1 the distance around a circle 2 the distance around the outer boundary of s.t. round or circular: The circumference of the earth is over 40,000 km (nearly 25,000 miles). circumference

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