Look up clearance in Wiktionary, the free dictionary.

Clearance can refer to:

Engineering

• Engineering tolerance, a physical distance or space between two components
  • Hydraulic clearance, in hydraulic systems
  • Clearance in civil engineering, including:
    • The difference between the loading gauge and the structure gauge: the amount of space between the top of a rail car and the top of a tunnel or the bottom of a rail car and the top of rail
    • Air draft, applies to bridges across navigable waterways
    • Clearance car, a type of railroad car used to check clearances around the tracks
• Ride height or ground clearance, the amount of space between the base of an automobile tire and the underside of the chassis

Finance and trade

Intellectual property

• Collective rights management, the licensing of copyright and related rights
• Sample clearance, legal permission to re-use a recording in another work

Other uses in finance and trade

• Cheque clearing, the process of transferring value on a cheque from one bank account to another
  • The activity of a clearing house (finance), where a variety of financial instruments are cleared through the issuing institution
• Customs clearance, in international trade, the movement of goods through customs barriers
• Market clearing or equilibrium price, the price at which quantity supplied is equal to quantity demanded
• Closeout (sale), in retail, the final sale of items to zero inventory

Games and sports

• Clearance (cue sports)
• A chess term for removal of pieces so that a bishop, rook or queen is free to move
• In Australian rules football, the clearing of the ball out of a ball-up situation

Other uses

• Authorization or permission from an authority
  • Air traffic control clearance in aviation
  • Security clearance, a status granted to individuals allowing them access to classified information
• Clearance (pharmacology), the rate at which a substance is removed or cleared from the body by the kidneys or in renal dialysis
• Clearance rate, in criminal justice, the number of crimes "cleared" divided by the number reported
• Deforestation, the deliberate clearance of woodland or forest for human development
• The Highland Clearances, eviction of tenants in the Scottish Highlands during the 18th and 19th centuries
• The Lowland Clearances, eviction of tenants as part of the Scottish Agricultural Revolution in the Scottish Lowlands

See also

• Clear (disambiguation)
• Clearing (disambiguation)

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