- Clearance
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A clearance can refer to:
- in chess, A positional move, where a player moves a piece occupying a certain square away, replacing it with an allied piece that will strengthen the player's position.
- 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).
- in mechanical engineering, the space between a bolt and a hole, etcetera.
- The distance between two electrical conductors in a gas medium.
- a closeout or final sale
- an authorization or permission from an authority, for example:
- a security clearance
- an ATC clearance in aviation.
- in criminal justice, the clearance rate is the number of crimes "cleared" divided by the number reported
- Clearance (medicine), the rate at which a substance is removed or cleared from the body by the kidneys and/or in renal dialysis.
- in Australian rules football, the clearing of the ball out of a stoppage situation, to the advantage of one team or the other
- the Highland Clearances, forced displacements of people in Scotland in the 18th and 19th centuries
- Clearance (insult), Referring to someone or something as completely worthless or terrible at what he, she, or it does. In such a manner that they are no better than or that they are a clearance item Ex: You are such a clearance medic
See also
- Clearing (disambiguation)
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