- 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 clearance 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.
- Banking. an exchange of checks and other commercial paper drawn on members of a clearinghouse, usually effected at a daily meeting of the members.
- Machinery. a space between two moving parts, left to avoid clashing or to permit relatively free motion.
- the angle between a face of a cutting tool, as a lathe tool, and the work.
- the clearing of a ship at a port.
- Also called clearance papers.the official papers certifying this.
- Medicine/Medical. 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.
Origin of clearance
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the process or an instance of clearingslum 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
- banking 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 hitting or kicking a ball out of the defensive area, as in football
- an instance of this
- the act of clearing an area of land of its inhabitants by mass evictionSee Highland Clearances
- dentistry the extraction of all of a person's teeth
- a less common word for clearing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for self-clearance
Online Etymology Dictionary, © 2010 Douglas Harper
- The removal of a substance from the blood, expressed as the volume of blood or plasma cleared of the substance per unit time.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.