Clearance can refer to:

Engineering

Engineering tolerance Engineering tolerance is the permissible limit or limits of variation in: # a physical dimension; # a measured value or physical property of a material, manufactured object, system, or service; # other measured values (such as temperature, hum ...

, a physical distance or space between two components *

Ride height Ride height or ground clearance is the amount of space between the base of an automobile tire and the lowest point of the automobile (typically the axle); or, more properly, to the shortest distance between a flat, level surface, and the lowest p ...

(vehicle clearance) *

Hydraulic clearance Hydraulic clearance. Flow in narrow clearances are of vital importance in hydraulic system component design. The flow in a narrow circular clearance of a spool valve can be calculated according to the formula below if the height is negligible comp ...

* Clearance in civil engineering **

Ground clearance Ride height or ground clearance is the amount of space between the base of an automobile tire and the lowest point of the automobile (typically the axle); or, more properly, to the shortest distance between a flat, level surface, and the lowest p ...

, 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 A structure gauge, also called the minimum clearance outline, is a diagram or physical structure that sets limits to the extent that bridges, tunnels and other infrastructure can encroach on rail vehicles. It specifies the height and width of pl ...

, 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 Air draft (or air draught) is the distance from the surface of the water to the highest point on a vessel. This is similar to the " deep draft" of a vessel which is measured from the surface of the water to the deepest part of the hull below th ...

, applies to bridges across navigable waterways **

Clearance car A clearance car is a type of railroad car in maintenance of way service. Its purpose is to check the clearances around the tracks and ensure that trains conforming to the railroad's standard loading gauge or ''dynamic envelope'' will not encou ...

, a type of railroad car used to check clearances around the tracks

Finance and trade

Intellectual property

Collective rights management Collective rights management is the licensing of copyright and related rights by organisations acting on behalf of rights owners. Collective management organisations (CMOs), sometimes also referred to as collecting societies, typically represent ...

, the licensing of copyright and related rights *

Sample clearance In sound and music, sampling is the reuse of a portion (or sample) of a sound recording in another recording. Samples may comprise elements such as rhythm, melody, speech, sounds or entire bars of music, and may be layered, Equalization (audio), ...

, legal permission to re-use a recording in another work

Other uses in finance and trade

Cheque clearing Cheque clearing (or check clearing in American English) or bank clearance is the process of moving cash (or its equivalent) from the bank on which a cheque is drawn to the bank in which it was deposited, usually accompanied by the movement of the c ...

, the process of transferring value on a cheque from one bank account to another ** The activity of a

Clearing house (finance) A clearing house is a financial institution formed to facilitate the exchange (i.e., '' clearance'') of payments, securities, or derivatives transactions. The clearing house stands between two clearing firms (also known as member firms or partici ...

where a variety of financial instruments are cleared through the issuing institution *

Customs clearance Customs is an authority or agency in a country responsible for collecting tariffs and for controlling the flow of goods, including animals, transports, personal effects, and hazardous items, into and out of a country. Traditionally, customs ...

, in international trade, the movement of goods through customs barriers *

Market clearing In economics, market clearing is the process by which, in an economic market, the supply of whatever is traded is equated to the demand so that there is no excess supply or demand. The new classical economics assumes that in any given market, assu ...

or equilibrium price, the price at which quantity supplied is equal to quantity demanded *

Closeout (sale) A closeout or clearance sale (closing down sale in the United Kingdom) is a discount sale of inventory either by retail or wholesale. It may be that a product is not selling well, or that the retailer is closing because of relocation, a fir ...

, in retail, the final sale of items to zero inventory

Other uses

Authorization Authorization or authorisation (see spelling differences) is the function of specifying access rights/privileges to resources, which is related to general information security and computer security, and to access control in particular. More fo ...

or permission from an authority **

Air traffic control Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through a given section of controlled airspace, and can provide advisory services to aircraft in non-controlled airs ...

clearance in aviation **

Security clearance A security clearance is a status granted to individuals allowing them access to classified information (state or organizational secrets) or to restricted areas, after completion of a thorough background check. The term "security clearance" is ...

, 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, clearance rate is calculated by dividing the number of crimes that are "cleared" (a charge being laid) by the total number of crimes recorded. Clearance rates are used by various groups as a measure of crimes solved by the pol ...

, in criminal justice, the number of crimes "cleared" divided by the number reported *

Deforestation Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated ...

, the deliberate clearance of woodland or forest for human development * 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, 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 * In Australian rules football, the clearing of the ball out of a

ball-up A ball-up (pl. ball-ups) in Australian rules football is the method by which the field umpire restarts play at a neutral contest after a stoppage within the field of play. It involves the throwing or bouncing of the ball up between two players, ...

situation

Engineering

Finance and trade

Intellectual property

Other uses in finance and trade

Other uses

See also