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Pronunciation:  sur'kumfuruns

WordNet Dictionary
  1. [n]  the size of something as given by the distance around it
  2. [n]  the length of the closed curve of a circle

CIRCUMFERENCE is a 13 letter word that starts with C.


 Synonyms: perimeter
 See Also: girth, length, sextant, size, straight angle



Webster's 1913 Dictionary
  1. \Cir*cum"fer*ence\, n. [L. circumferentia.]
    1. The line that goes round or encompasses a circular figure;
       a periphery. --Millon.
    2. A circle; anything circular.
             His ponderous shield . . . Behind him cast. The
             broad circumference Hung on his shoulders like the
             moon.                                 --Milton.
    3. The external surface of a sphere, or of any orbicular
  2. \Cir*cum"fer*ence\, v. t.
    To include in a circular space; to bound. [Obs.] --Sir T.
Thesaurus Terms
 Related Terms: ambit, annular muscle, annulus, areola, aureole, border, boundaries, boundary, bounds, bourns, chaplet, circle, circuit, circumscription, circus, closed circle, compass, confines, coordinates, corona, coronet, cortex, covering, crown, crust, cycle, diadem, discus, disk, edges, envelope, epidermis, eternal return, exterior, external, facade, face, facet, fairy ring, fringe, fringes, front, garland, glory, halo, integument, lasso, limitations, limits, lineaments, logical circle, loop, looplet, magic circle, marches, margin, metes, metes and bounds, noose, O, orbit, outer face, outer layer, outer side, outer skin, outline, outlines, outside, outskirts, pale, parameters, perimeter, periphery, radius, rim, rind, ring, rondelle, round, roundel, saucer, shell, skin, skirts, sphincter, superficies, superstratum, surface, top, verges, vicious circle, wheel, wreath