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Clearance
A clearance can refer to:
- in engineering and safety, a physical distance or space tolerance, as in a truck (lorry), train or boat under a bridge as well as a train in a tunnel (see structure gauge and loading gauge).
- The distance between two electrical conductors in a gas medium.
- a closeout or final sale
- an authorization or permission from an authority, for example:
- in aviation, from air traffic control for an aircraft to proceed with a takeoff or landing, or other action
- a security clearance
- in medicine, clearance is the rate at which a substance is removed or cleared from the body by the kidneys and/or in renal dialysis.
- in finance, the verification of information between the two brokers in a securities transaction
- in Australian rules football, the clearing of the ball out of a stoppage situation, to the advantage of one team or the other
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Last updated on Wednesday September 17, 2008 at 19:47:20 PDT (GMT -0700)
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This article is licensed under the GNU Free Documentation License.
Last updated on Wednesday September 17, 2008 at 19:47:20 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
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