Definition of clearance
1 : an act or process of clearing: such asa : the removal of buildings from an area (such as a city slum)b : the act of clearing a ship at the customhouse; also : the papers showing that a ship has clearedc : the offsetting of checks and other claims among banks through a clearinghoused : certification as clear of objection : authorization security clearancee : a sale to clear out stockf : authorization for an aircraft to proceed especially with a specified action clearance to land
2 : the distance by which one object clears another or the clear space between them
3 : the volume of blood or plasma that can be freed of a specified constituent in a specified time by its excretion into the urine through the kidneys a creatine clearance of 25 milliliters per minute —called also renal clearance
Examples of clearance in a Sentence
She has a security clearance that allows her to see the classified information.
The pilot got clearance to land.
That flight has not received clearance for landing.
There was only 10 inches of clearance between the car and the side of the tunnel.
a bridge with a 100-foot clearance above the water
the clearance of forests for farming
slum clearance to make room for new housing
Recent Examples of clearance from the Web
After gaining approval from then-police Chief Bob Burgreen and legal clearance from the city attorney, the first RSVP unit was launched in Rancho Bernardo.
Maybe the clearance rack will turn out to be our best revenge.
So what’s holding back the process is these jobs require security clearances. .
The bill doesn’t specify that a trial be conducted in the United States or that the therapy get clearance from FDA for human testing.
While more than 90 percent of all murders are solved in 36 states, there are some parts of the country where more murders go unsolved than solved and in 22 cities, the homicide clearance rate is below 40 percent.
But that doesn't explain why, as CNN reported, Sessions did not acknowledge the meetings in his security clearance form.)
In a manner that has not been fully studied, the drug-specific antibodies appear to increase drug half-life and diminish drug clearance.
A federal contractor with top secret security clearance faces charges of leaking classified information to a news outlet, the Justice Department announced today.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'clearance'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of clearance
CLEARANCE Defined for English Language Learners
Definition of clearance for English Language Learners
: an official decision saying that someone has permission to do something
: official permission for an aircraft, pilot, etc., to do something
: the amount of space between two things
CLEARANCE Defined for Kids
Definition of clearance for Students
1 : the act or process of removing something
2 : the distance by which one object avoids hitting or touching another
3 : official permission The plane has clearance to land.
Medical Definition of clearance
: the volume of blood or plasma that could be freed of a specified constituent in a specified time (usually one minute) by excretion of the constituent into the urine through the kidneys—called also renal clearance
Seen and Heard
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