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clearance Definition

clear·ance (klir′əns)

noun

  1. an act or instance of clearing
  2. the clear space or distance between moving objects or mechanical parts, or between a moving object and that which it passes through, over, under, etc.
  3. official, esp. governmental, authorization allowing a person to examine classified documents, participate in confidential projects, etc.
    1. a certificate from the collector of customs authorizing a ship to enter or leave port
    2. the act or process of meeting the requirements for getting this certificate
  5. Aeron. permission, usually from a control tower, to take off, land, etc.
  6. Banking the adjustment of debits and credits, exchange of checks, etc. in a clearinghouse

clearance Synonyms

clearance

n.

  1. Removal

    withdrawal, removing, clearing; see clearing, removal 1.

  2. Permission

    approval, consent, leave, authorization; see permission.

  3. Space between objects

    margin, room, allowance, headroom; see extent, leeway.

clearance Usage Examples

Preposition: of

  • ml/min: Renal impairment: No dose adjustment is required for patients with a creatinine clearance of 30-70 mL/min.
  • undergrowth: Visibility and openness improved by clearance of dense undergrowth and under-storey of trees.
  • blockage: The following diagram can be used as an example to determine who is responsible for maintenance of pipework and clearance of blockages.
  • vegetation: Clearance of any vegetation detrimental to the water course.

Converse of object

  • obtain: This is done to obtain more clearance or locate a flown object exactly.
  • scuff: Then in the 35th minute he took advantage of a scuffed clearance by Oakes and slotted the ball home past the Wolves goalie.
  • await: Its slow approach to Valley is seen in the second shot awaiting clearance to proceed onward to Bangor.

Adjective modifier

  • attempted: Viduka began the reply when he capitalized on a poor attempted clearance by Ramon Vega to score from close range in the 52nd minute.
  • renal: Since the renal clearance of imatinib is negligible, a decrease in total body clearance is not expected in patients with renal insufficiency.
  • axillary: Following the axillary clearance, my nodes were clear.
  • microbiological: Microbiological clearance: None required for return to normal activity.
  • hurried: The root of the goal came in a needlessly hurried clearance by Stuart McCluskey which immediately had Falkirk driving on top of our defense.
  • defensive: But the away side regained the lead after 59 minutes thanks to a weak defensive clearance from the Blues.

Modifies a noun

cairn: The bracken and the presence of clearance cairns indicate that this land was used for cultivation.

Noun used with modifier

  • creatinine: They should also establish creatinine clearance in all patients starting these treatments.
  • slum: Most people of wooly good will lived outside the slum clearance areas.
  • scrub: A team of 3 estate workers, employed for 4 years, will undertake the scrub clearance.
  • goal-line: However, Formby B nearly equalized straight afterward, but for a tremendous goal-line clearance from one of Northern's players.
  • entry: For certain nationalities entry clearance is required in addition to a work permit.
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