clearance

clearance

clairance [ klɛrɑ̃s ] n. f.
• 1973; adapt., d'apr. clair, de l'angl. clearance
1Biol. Coefficient d'épuration, correspondant à l'aptitude d'un tissu, d'un organe, à éliminer une substance d'un fluide organique.
2Aviat. Autorisation donnée par le contrôle pour l'exécution d'une phase d'un plan de vol. Navig. Autorisation donnée à un navire de faire mouvement. Recomm. offic. pour remplacer (sens 1 et 2) l'anglic. clearance n. f.

clairance ou clearance nom féminin (anglais clearance, évacuation) Rapport entre le débit d'élimination d'une substance chimique par un organe (foie, rein) et la concentration de la substance dans le sang, reflétant le fonctionnement de l'organe.

Encyclopédie Universelle. 2012.

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  • Clearance — Clear ance (kl[=e]r ans), n. 1. The act of clearing; as, to make a thorough clearance. [1913 Webster] 2. A certificate that a ship or vessel has been cleared at the customhouse; permission to sail. [1913 Webster] Every ship was subject to seizure …   The Collaborative International Dictionary of English

  • clearance — s.n. (med.) Raport între concentraţia sanguină a unei substanţe şi eliminarea prin urină. [pron. cliărăns. / < fr., engl. clearance – epurare]. Trimis de LauraGellner, 19.12.2004. Sursa: DN  CLEARANCE CLÍRĂNS/ s. n. raport între concentraţia… …   Dicționar Român

  • clearance — 1560s, action of clearing, from CLEAR (Cf. clear) + ANCE (Cf. ance). Meaning a clear space is from 1788. Meaning approval, permission (esp. to land or take off an aircraft) is from 1944, Amer.Eng.; national security sense recorded from 1948.… …   Etymology dictionary

  • clearance — [n1] permission for activity approval, authorization, consent, endorsement, goahead*, green light*, leave, okay, sanction, sayso*; concept 376 Ant. denial, grounding, refusal, veto clearance [n2] gap above something allowance, assart, defoliated… …   New thesaurus

  • clearance — [klir′əns] n. 1. an act or instance of clearing 2. the clear space or distance between moving objects or mechanical parts, or between a moving object and that which it passes through, over, under, etc. 3. official, esp. governmental,… …   English World dictionary

  • Clearance — Clearance. См. Допуск. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • clearance — index absolution, acquittal, amortization, collection (payment), composition (agreement in bankruptcy), compurgation, concession ( …   Law dictionary

  • clearance — *room, berth, play, elbowroom, leeway, margin …   New Dictionary of Synonyms

  • clearance — ► NOUN 1) the action or an act of clearing or the process of being cleared. 2) official authorization for something to take place. 3) clear space allowed for a thing to move past or under another …   English terms dictionary

  • clearance — clear/clearance Goods are cleared when HM Customs and Excise have accepted a declaration for them and formally released them for import or export. HM Customs & Revenue Glossary * * * clearance clear‧ance [ˈklɪərəns ǁ ˈklɪr ] noun [countable,… …   Financial and business terms

  • clearance — n. act of clearing away 1) slum clearance authorization 2) to give; receive clearance for 3) customs clearance 4) clearance to + inf. (the control tower gave the pilot clearance to land) space between parts 5) valve clearance certification of… …   Combinatory dictionary

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