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单词 clearance
释义

clearance

noun
/ˈklɪərəns/
/ˈklɪrəns/
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  1. [countable, uncountable] the process of removing things that are not wanted
    • forest clearances
    • slum clearance (= the process of removing houses that are in very bad condition in an area of a town)
    • Landscape gardeners have begun a clearance of the overgrown ground to make way for a new park.
    • a clearance sale (= in a shop, when goods are sold cheaply to get rid of them quickly)
    • These coats are on clearance.
    Oxford Collocations Dictionaryadjective
    • forest
    • land
    • site
    clearance + noun
    • work
    • sale
    • rack
    preposition
    • on clearance
    See full entry
  2. [uncountable, countable] the amount of space or distance that is needed between two objects so that they do not touch each other
    • There is not much clearance for vehicles passing under this bridge.
    • a clearance of one metre
    Extra Examples
    • Always give cyclists plenty of clearance.
    • Make sure you allow enough clearance on each side.
    • There wasn't enough clearance between the bus and the top of the bridge.
    • clearance above the light to prevent overheating
    • We need to increase the vehicle's ground clearance.
    • Leave a clearance of at least 10 cm to allow the heat to escape.
    • There is not enough clearance for vehicles passing under the bridge.
    Oxford Collocations Dictionaryadjective
    • ground
    verb + clearance
    • allow (somebody/​something)
    • give somebody/​something
    • leave
    preposition
    • clearance above
    • clearance between
    See full entry
  3. [uncountable, countable] official permission that is given to somebody before they can work somewhere, have particular information, or do something they want to do
    • I'm waiting for clearance from headquarters.
    • All employees at the submarine base require security clearance.
    Extra Examples
    • Formal clearance by the Cabinet has not been given.
    • It is safest to seek advance clearance from the tax office.
    • She had to be vetted for security clearance before she was appointed.
    • Allow a minimum of six weeks to obtain the necessary clearances.
    • You'll need to get security clearance for this job.
    Oxford Collocations Dictionaryadjective
    • official
    • proper
    • top-secret
    verb + clearance
    • get
    • obtain
    • receive
    See full entry
  4. [uncountable] official permission for a person, vehicle or goods to enter or leave an airport or a country
    • The pilot was waiting for clearance for take-off.
    • How long will customs clearance take?
    Extra Examples
    • The pilot was granted clearance to land.
    • The air traffic control clearance specified an altitude that must be maintained.
    • The aircraft received clearance to taxi out for take-off.
    • You should not have crossed the border without diplomatic clearance.
    • The goods were still at the airport waiting for customs clearance.
    Topics Transport by airc2
    Oxford Collocations Dictionaryadjective
    • official
    • proper
    • top-secret
    verb + clearance
    • get
    • obtain
    • receive
    See full entry
  5. [uncountable, countable] the process of a payment into a bank account being confirmed by the bank, so the money is available for you to use
    • Clearance will take seven days.
  6. [countable] a clearance in football (soccer) and some other sports is when a player kicks or hits the ball away from the goal of his or her own teamTopics Sports: ball and racket sportsc2
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更新时间:2024/9/22 6:47:07