separation

i. The vertical, lateral, and longitudinal spacing between aircraft to achieve their safe and orderly movement in flight and while taking off and landing. Vertical or horizontal spacing must be provided between controlled IFR (instrument flight rules) flights; controlled IFR flights and controlled VFR (visual flight rules) flights, including special VFR flights; special VFR flights, in accordance with the established minimums; and, when so prescribed by the appropriate authority in accordance with the minimums it has established, controlled VFR flights in controlled airspace (instrument/visual).
ii. The breakdown of the laminar attached flow in fluids into a gross turbulent flow occurring at a particular time and place. See separation point.
iii. The distance between a target and the interceptor along any axis.

Aviation dictionary. 2014.

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  • séparation — [ separasjɔ̃ ] n. f. • 1314; lat. separatio 1 ♦ Action de séparer, de se séparer, fait d être séparé. ⇒ désagrégation, disjonction, dislocation, dispersion; dis . La séparation des éléments d un mélange. Séparation des isotopes (à partir d un… …   Encyclopédie Universelle

  • separation — sep·a·ra·tion /ˌse pə rā shən/ n 1: cessation of cohabitation between a married couple by mutual agreement with intent that it be permanent; also: legal separation compare divorce ◇ In some cases in which the estrangement is extreme, a separation …   Law dictionary

  • Separation — Séparation Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom …   Wikipédia en Français

  • Separation — may refer to several different subjects: *Separation processes, in chemistry *Flow separation, separation of a fluid boundary layer from the surface of a solid body moving relative to the fluid *Legal separation, a legal status where married… …   Wikipedia

  • separation — Separation. s. f. v. Action de separer. Separation entiere. la separation des chairs d avec les os. la separation des metaux. separation de corps & de biens. rien n est plus rude aux amis que la separation. separation fascheuse, cruelle,… …   Dictionnaire de l'Académie française

  • Separation — (lat. separare „absondern“, Adjektive teils separat oder separiert) steht für ein Bestreben zur Abtrennung mit politischen Zusammenhängen, siehe Separatismus den scheinbare Abstand (sphärischer Winkel) zwischen zwei Himmelsobjekten, siehe… …   Deutsch Wikipedia

  • separation — Separation, Abstractio, Diductio, Separatio, Secretio, Dissociatio, Discretio, Discrimen, Dissidium, Disiunctio, Seiunctio, Distractio, Diremptio, Diremptus, huius diremptus. Separation entre le mari et la femme, Diuortium. Separation entre les… …   Thresor de la langue françoyse

  • separation — sep‧a‧ra‧tion [ˌsepəˈreɪʆn] noun [countable, uncountable] HUMAN RESOURCES the act of leaving your job, because you have been dismissed or have Resigned: • The job reductions will be met through layoffs and voluntary separations (= when people… …   Financial and business terms

  • separation — early 15c., from O.Fr. separation, from L. separationem (nom. separatio) noun of action from pp. stem of separare (see SEPARATE (Cf. separate)). Specific sense of sundering of a married couple is attested from c.1600. Separation of powers first… …   Etymology dictionary

  • Separation — Sep a*ra tion, n. [L. separatio: cf. F. s[ e]paration.] The act of separating, or the state of being separated, or separate. Specifically: (a) Chemical analysis. (b) Divorce. (c) (Steam Boilers) The operation of removing water from steam. [1913… …   The Collaborative International Dictionary of English

  • Separation — (v. lat. Separatio), 1) Absonderung, Trennung, Scheidung; S. atoro et mensa, die Scheidung zweier Ehegenossen von Tisch u. Bett, s.u. Ehescheidung S. 505; 2) als Mittel der Hebung der landwirthschaftlichen Cultur die Vertheilung der in der Regel… …   Pierer's Universal-Lexikon

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