circumference

cir·cum·fer·ence

C0365500 (sər-kŭm′fər-əns)n.1. The boundary line of a circle.2. a. The boundary line of an area or object.b. Abbr. c or circ. The length of such a line.3. The margin or area surrounding something.

---

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

---

cir·cum′fer·en′tial (-fə-rĕn′shəl) adj.Synonyms: circumference, circuit, compass, perimeter, periphery
These nouns refer to a boundary or area around the outer edge of something: drove around the circumference of the city; followed the circuit around the park; stayed within the compass of the schoolyard; walked the perimeter of the estate; fenced the periphery of the property.

circumference

(səˈkʌmfərəns) n1. (Mathematics) the boundary of a specific area or geometric figure, esp of a circle2. (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[C14: from Old French circonference, from Latin circumferre to carry around, from circum- + ferre to bear] circumferential adj cirˌcumferˈentially adv

cir•cum•fer•ence

(sərˈkʌm fər əns)

n. 1. the outer boundary, esp. of a circular area; perimeter: The circumference of a circle is equal to π times the diameter. 2. the length of such a boundary. [1350–1400; Middle English < Latin circumferentia circumferēns, present participle of circumferre to carry round in a circle] cir•cum`fer•en′tial (-fəˈrɛn ʃəl) adj.

cir·cum·fer·ence

(sər-kŭm′fər-əns)1. a. The boundary line of a circle.b. The boundary line of a figure, area, or object.2. The length of such a boundary.

Thesaurus

Noun	1.	circumference - the size of something as given by the distance around itperimetersize - the physical magnitude of something (how big it is); "a wolf is about the size of a large dog"girth - the distance around a person's body
	2.	circumference - the boundary line encompassing an area or object; "he had walked the full circumference of his land"; "a danger to all races over the whole circumference of the globe"circuitborder, borderline, boundary line, delimitation, mete - a line that indicates a boundary
	3.	circumference - the length of the closed curve of a circlelength - the linear extent in space from one end to the other; the longest dimension of something that is fixed in place; "the length of the table was 5 feet"sextant - a unit of angular distance equal to 60 degreesstraight angle - an angle of 180 degrees

circumference

noun edge, limits, border, bounds, outline, boundary, fringe, verge, rim, perimeter, periphery, extremity a gold watch-face with diamond chips around its circumference

circumference

nounA line around a closed figure or area:ambit, circuit, compass, perimeter, periphery.

Translations

圆周

circumference

(səˈkamfərəns) noun (the length of) the boundary line of a circle or anything circular in shape. the circumference of a circle/wheel. 圓周 圆周