clear

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Related to cleared off: clear out

clear

1. emptied of freight or cargo
2. (of timber) having a smooth, unblemished surface
3. Showjumping (of a round) ridden without any fences being knocked down or any points being lost

clear

[klir]
(computer science)
To restore a storage device, memory device, or binary stage to a prescribed state, usually that denoting zero. Also known as reset.
A function key on calculators, to delete an entire problem or just the last keyboard entry.
(meteorology)
After United States weather observing practice, the state of the sky when it is cloudless or when the sky cover is less than 0.1 (to the nearest tenth).
To change from a stormy or cloudy weather condition to one of no precipitation and decreased cloudiness.
(navigation)
In marine navigation, to leave or pass safely, as to clear port or clear a shoal.
(ordnance)
To give a person a security clearance.
To operate a gun so as to unload it or make certain no ammunition remains; to free a gun of stoppages.

clear

The net distance, free from interruption, between any two surfaces or areas.

clear

i. In air traffic control, it means permitted to take off or land, cleared to carry out other maneuvers, or cleared to proceed under specified conditions. The activity the pilot is cleared to perform is either suffixed to the word clear, as in “clear to take off,” or it is in response to the request by the pilot as when “Permission to take off?” is answered by an air traffic controller's “Clear.”
ii. To rectify stoppage in an automatic weapon. Also to ensure its serviceability as in “clearing guns” (by firing a small burst into the air).
iii. Authorized to carry out any task as in “Clear to alter height” or “Clear to fly radial.”
iv. The area around the aircraft is clear for aircraft starting.
v. In reference to the sky, it is devoid of any clouds as in “clear sky.” The aircraft may also be in between layers but in VMC (visual meteorological conditions). Also means, “A portion of the sky is free or relatively free of clouds.”
vi. To check nearby airspace for safe airwork or maneuvering of aircraft.
vii. To clear an engine. To open the throttle of an idling reciprocating engine in flight to free it from carbon and/or an overrich mixture.
viii. To clear the air, meaning to gain a favorable air situation in a given sector.
ix. To authorize hardware as fit for use.
x. To fly over an obstacle without touching it (i.e., clear of obstacles).

CLEAR

(language)
A specification language based on initial algebras.

["An Informal Introduction to Specification Using CLEAR", R.M. Burstall in The Correctness Problem in Computer Science, R.S. Boyer et al eds, Academic Press 1981, pp. 185-213].
References in classic literature ?
Very poor stuff it was, but it served to make time pass; and every now and then Sally arrived in the middle with a smoking tin of potatoes, which was cleared off in a few seconds, each boy as he seized his lot running off to the house with "Put me down two-penn'orth, Sally;" "Put down three-penn'orth between me and Davis," etc.
Now, we have cleared off old scores, and I have before me thy pleasant, trusting, trusty face again.
It was the visitors who went close again four minutes into the second half, Baggeridge heading a corner onto the top of the crossbar and shortly after it was Cortez Belle who was causing problems, his header to the far post cleared off the line by defender Adam Tann.
It was the visitors who went close again four minutes into the second half, Baggeridge heading a corner onto the top of the cross-bar and shortly after it was Cortez Belle who was causing problems, his header to the far post cleared off the line by defender Adam Tann.
Haverty then cleared off the line from Ismahil Akinade five minutes into the secondhalf before Dean Kelly hit the post at the other end five minutes later.
Soon after the incident the workers of highway authorities cleared off the pieces of the rock.
32mins: Wells' header from Sean Scannell's cross is cleared off the line by Liam Ridgewell.
The Bucks' best chance to equalise came when Kieron Brislen's shot was cleared off the line and James McGrane's follow up was also cleared off the goal line.
At the end, we also had one cleared off the line and we deserved a lot more from the game.
After Baldwin cleared off the line, it was Christian Burgess' turn to head clear from danger.
But Tyler Blackett cleared off the goal-line in quick succession and a Novak header looped high in the air, dropped down and glanced the face of the crossbar.
Kerry Morgan and Marcus Griffiths also went close before Steve Williams' shot on the stroke of half-time was cleared off the line by Mitch Harrison.