circumvolution

circumvolution
—circumvolutory /sur'keuhm veuh looh"teuh ree/, adj.
/serr'keuhm veuh looh"sheuhn/, n.
1. the act of rolling or turning around: planetary circumvolution.
2. a single complete turn or cycle.
3. a winding or folding about something: the circumvolutions of a boa.
4. a fold so wound: the circumvolution of a snail shell.
5. a winding in a sinuous course; a sinuosity: the circumvolutions of the river.
6. a roundabout course or procedure, or an instance of such: The speaker's circumvolutions bored the audience to tears.
[1400-50; late ME < ML circumvolution- (s. of circumvolutio), equiv. to L circumvolut(us) (ptp. of circumvolvere to CIRCUMVOLVE) (circum- CIRCUM- + volu- ptp. s. of volvere to roll + -tus ptp. suffix) + -ion- -ION]

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Universalium. 2010.

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  • Circumvolution — Cir cum*vo*lu tion, n. [See {Circumvolve}.] [1913 Webster] 1. The act of rolling round; the state of being rolled. [1913 Webster] 2. A thing rolled round another. Arbuthnot. [1913 Webster] 3. A roundabout procedure; a circumlocution. [1913… …   The Collaborative International Dictionary of English

  • circumvolution — (n.) mid 15c., noun of action from pp. stem of L. circumvolvere to revolve, to roll round (see CIRCUMVOLVE (Cf. circumvolve)) …   Etymology dictionary

  • circumvolution — [sʉr΄kəmvə lo͞o′shən] n. [ME circumvolucioun < ML circumvolutio < L circumvolutus, pp. of circumvolvere: see CIRCUMVOLVE] 1. the act of rolling or turning around a center or axis 2. a fold, twist, or spiral 3. a circuitous course or form …   English World dictionary

  • circumvolution — noun Etymology: Middle English circumvolucioun, from Medieval Latin circumvolution , circumvolutio, from Latin circumvolvere to revolve, from circum + volvere to roll more at voluble Date: 15th century an act or instance of turning around an axis …   New Collegiate Dictionary

  • circumvolution — cir•cum•vo•lu•tion [[t]ˌsɜr kəm vəˈlu ʃən[/t]] n. 1) the act of rolling or turning around 2) a single complete turn or cycle 3) a winding or folding about something 4) a fold so wound: the circumvolution of a snail shell[/ex] 5) a winding in a… …   From formal English to slang

  • circumvolution — n. [L. circum, around; volvere, to turn around] Around an axis or center; a whorl; rotation; revolution …   Dictionary of invertebrate zoology

  • circumvolution — noun revolution, rotation or gyration around an axis See Also: circumvolute …   Wiktionary

  • circumvolution — (Roget s Thesaurus II) noun Circular movement around a point or about an axis: circuit, circulation, gyration, revolution, rotation, turn, wheel, whirl. See GEOMETRY, REPETITION …   English dictionary for students

  • circumvolution — cir·cum·vo·lu·tion || ‚sɜːkÉ™mvÉ™ ljuːʃn n. convolution; act of turning or winding around a central axis …   English contemporary dictionary

  • circumvolution — [ˌsə:kəmvə lu:ʃ(ə)n] noun a winding movement of one thing round another. Origin ME: from L. circumvolut , circumvolvere roll around …   English new terms dictionary

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