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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 periodicals archive ?
Four clearers are currently linked together: EuroCCP, Swiss x-clear, EMCF, and the UK arm of LCH.Clearnet which together clear 60 percent of all share trades in Europe.
The Groningen University researchers found that people who worked at disorganised desks, or shopped in a store they perceived as disorganised, became clearer thinking.
Mrs May is also writing to Sir Denis O'Connor, the Chief Inspector of Constabulary, saying that forces should be given clearer guidance on tactics, pre-emptive action, public order policing, forces to assist others, and the appropriate arrest policy.
Next Thursday's free workshop will be held from 9am at Clearer Thoughts, in Netherton.
But it will give those responsible for the cuts a clearer idea of who wants to go and who wants to stay - and it could mean that compulsory job losses are far fewer than was first feared.
"We need clearer positions from a large part of the developed world.
Sony unveils touch-screen Walkman with clearer color display
And it's becoming clearer and clearer that this mass of platitudinous, high-minded expression pouring forth from Obama as--it is beginning--it's going to sit on people who are going to ask, What's he saying?
European Union Public Health Commissioner Markos Kyprianou announced that 146 makers of soft drinks and fast food have agreed voluntarily to reformulate sugar, fat and salt levels, make labels clearer, agree on common advertising norms and promote healthy lifestyles.
I believe the damage from this strategic capitulation will be come clearer over the next 6-12 months as they are required to aggressively incentivize even brand new (and much improved) product like the GMT 900.
Now, the same supplier has come out with the first antiblock that reportedly leaves LLDPE film clearer than the same resin without antiblock.
A few years ago Microsoft quietly introduced--but never promoted--a Windows utility designed to make the text on a computer screen appear clearer (JofA, Oct.03, page 88).