释义 |
WordReference Random House Learner's Dictionary of American English © 2024clear•ance /ˈklɪrəns/USA pronunciation n. - the act of clearing: [uncountable]The plane waited for clearance to take off.[countable]A clearance for working under that sort of visa takes time.
- the distance between two objects;
an amount of clear space: [uncountable]There isn't much clearance between the roof of this van and the garage opening.[countable* usually singular]a clearance of only a few inches under that bridge. - a formal authorization permitting access to classified information, etc.:[uncountable]I applied for clearance to read those sealed documents.
- Also called ˈclear•ance ˌsale. the selling of merchandise at reduced prices to make room for new goods:[countable]a holiday clearance.
WordReference Random House Unabridged Dictionary of American English © 2024clear•ance (klēr′əns),USA pronunciation n. - the act of clearing.
- the distance between two objects;
an amount of clear space:The bridge allowed a clearance of 37 feet at mean high water. - a formal authorization permitting access to classified information, documents, etc.
- Also called clear′ance sale′. the disposal of merchandise at reduced prices to make room for new goods:He bought the coat for half price at a clearance.
- a clear space;
a clearing:The house stood in a clearance among the trees. - Business[Banking.]an exchange of checks and other commercial paper drawn on members of a clearinghouse, usually effected at a daily meeting of the members.
- Mechanical Engineering[Mach.]a space between two moving parts, left to avoid clashing or to permit relatively free motion.
- Mechanical Engineeringthe angle between a face of a cutting tool, as a lathe tool, and the work.
- [Naut.]
- Naval Termsthe clearing of a ship at a port.
- Naval TermsAlso called clear′ance pa′pers. the official papers certifying this.
- [Med.]a test of the excretory function of the kidneys based on the volume of blood that is cleared of a specific substance per minute by renal excretion.
clear′er, n. Collins Concise English Dictionary © HarperCollins Publishers:: clearance /ˈklɪərəns/ n - the process or an instance of clearing: slum clearance
- (as modifier): a clearance order
- space between two parts in motion or in relative motion
- permission for an aircraft, ship, passengers, etc, to proceed
- official permission to have access to secret information, projects, areas, etc
- the exchange of commercial documents drawn on the members of a clearing house
- the disposal of merchandise at reduced prices
- (as modifier): a clearance sale
- the act of clearing an area of land of its inhabitants by mass eviction
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