The difference between Clearance and Permission
When used as nouns, clearance means the act of clearing or something (such as a space) cleared, whereas permission means authorisation.
Permission is also verb with the meaning: to grant or obtain authorization for.
check bellow for the other definitions of Clearance and Permission
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Clearance as a noun:
The act of clearing or something (such as a space) cleared
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Clearance as a noun:
The distance between two moving objects, especially between parts of a machine
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Clearance as a noun:
The height or width of a tunnel, bridge or other passage, or the distance between a vehicle and the walls or roof of such passage; a gap, headroom.
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Clearance as a noun:
A permission for a vehicle to proceed, or for a person to travel.
Examples:
"The plane got clearance from air traffic control, and we were off."
"He got clearance to travel to America, even though he had previous links to terrorists"
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Clearance as a noun:
A permission to have access to sensitive or secret documents or other information.
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Clearance as a noun:
A permission to use something, usually intellectual property, that is legally, but not otherwise, protected.
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Clearance as a noun (retail):
A sale of merchandise, especially at significantly reduced prices in order to make room for new merchandise or updated versions of the same merchandise.
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Clearance as a noun (banking, finance):
The settlement of transactions involving securities or means of payment such as checks by means of a clearing house.
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Clearance as a noun (medicine):
The removal of harmful substances from the blood; renal clearance.
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Clearance as a noun (sports, billiards, snooker, pool):
The act of potting all the remaining balls on a table at one visit.
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Clearance as a noun (soccer):
The act of kicking a ball away from the goal one is defending.
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Clearance as a noun (chess):
Removal of pieces from a rank, file or diagonal so that a bishop, rook or queen is free to move along it.
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Clearance as a noun:
Clear or net profit.
Examples:
"rfquotek Trollope"
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Permission as a noun:
authorisation; consent (especially formal consent from someone in authority)
Examples:
"Sire, do I have your permission to execute this traitor?"
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Permission as a noun:
The act of permitting.
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Permission as a noun (computing):
flags or access control lists pertaining to a file that dictate who can access it, and how.
Examples:
"I used the "chmod" command to change the file's permission."
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Permission as a verb (transitive):
To grant or obtain authorization for.