# circumference

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circumference
The outer boundary, especially of a circular area. SYN: circumferentia [TA]. [L. circumferentia, a bearing around]
- articular c. of head of radius [TA] the portion of the head of the radius that articulates with the radial notch of the ulna. SYN: circumferentia articularis capitis radii [TA].
- articular c. of head of ulna [TA] the portion of the head of the ulna that articulates with the ulnar notch of the radius. SYN: circumferentia articularis capitis ulnae [TA].

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cir·cum·fer·ence (sər-kumґfər-əns) [circum- + L. ferre to bear] the outer limit or margin of a rounded body.

Medical dictionary. 2011.

Synonyms:

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• circumference — circumference, perimeter, periphery, circuit, compass are comparable because all in their basic senses denote a continuous line enclosing an area or space. They differ, however, in the extent to which they retain this meaning and in the number… …   New Dictionary of Synonyms

• Circumference — Cir*cum fer*ence, n. [L. circumferentia.] [1913 Webster] 1. The line that goes round or encompasses a circular figure; a periphery. Millon. [1913 Webster] 2. A circle; anything circular. [1913 Webster] His ponderous shield . . . Behind him cast.… …   The Collaborative International Dictionary of English

• circumference — [sər kum′fər əns, sər kum′frəns] n. [ME < L circumferentia < circumferens, prp. of circumferre < circum, around + ferre, to carry, BEAR1] 1. the line bounding a circle, a rounded surface, or an area suggesting a circle: see CIRCLE 2. the …   English World dictionary

• Circumference — Cir*cum fer*ence, v. t. To include in a circular space; to bound. [Obs.] Sir T. Browne. [1913 Webster] …   The Collaborative International Dictionary of English

• circumference — index ambit, border, contour (outline), margin (outside limit), outline (boundary), periphery, zone …   Law dictionary

• circumference — (n.) late 14c., from L. circumferentia, neuter plural of circumferens (loan translation of Gk. periphereia periphery, the line round a circular body, lit. a carrying round ), prp. of circumferre to lead round, take round, from circum around (see… …   Etymology dictionary

• circumference — [n] edge, perimeter ambit, border, boundary, bounds, circuit, compass, confines, extremity, fringe, girth, limits, lip, margin, outline, periphery, rim, verge; concept 484 Ant. inside, interior, middle …   New thesaurus

• circumference — ► NOUN 1) the enclosing boundary of a circle. 2) the distance around something. DERIVATIVES circumferential adjective. ORIGIN Latin circumferentia, from circum around + ferre carry …   English terms dictionary

• Circumference — When a circle s radius is 1 unit, its circumference is 2π units …   Wikipedia

• circumference — noun VERB + CIRCUMFERENCE ▪ have ▪ calculate, measure ▪ to measure the circumference of a circle PREPOSITION ▪ in circumfe …   Collocations dictionary

• circumference — [[t]sə(r)kʌ̱mfrəns[/t]] 1) N UNCOUNT The circumference of a circle, place, or round object is the distance around its edge. ...a scientist calculating the earth s circumference... The island is 3.5 km in circumference. 2) N UNCOUNT The… …   English dictionary