Clearance

Clearance can refer to:

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
Engineering tolerance, a physical distance or space between two components
Clearance in civil engineering
- Ground clearance, the amount of space between the base of an automobile tire and the underside of the chassis
- 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
Clearance (medicine), 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
Closeout (sale), in retail, the final sale of items to zero inventory
Customs clearance, in international trade, the movement of goods through customs barriers
Deforestation, the deliberate clearance of woodland or forest for human development
In Australian rules football, the clearing of the ball out of a ball-up situation
A chess term for removal of pieces from a rank, file or diagonal so that a bishop, rook or queen is free to move along it
The Highland Clearances, forced displacements of people in Scotland in the 18th and 19th centuries
Market clearing or equilibrium price, the price at which quantity supplied is equal to quantity demanded
Collective rights management, the licensing of copyright and related rights

See also