[kleer-uh ns]


Origin of clearance

First recorded in 1555–65; clear + -ance
Related formsclear·er, nounnon·clear·ance, nounpre·clear·ance, noun, adjectiveself-clear·ance, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for clearance

Contemporary Examples of clearance

Historical Examples of clearance

British Dictionary definitions for clearance



  1. the process or an instance of clearingslum clearance
  2. (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
  1. the disposal of merchandise at reduced prices
  2. (as modifier)a clearance sale
  1. the act of hitting or kicking a ball out of the defensive area, as in football
  2. 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 clearance

1560s, "action of clearing," from clear (v.) + -ance. Meaning "a clear space" is from 1788. Meaning "approval, permission" (especially to land or take off an aircraft) is from 1944, American English; national security sense recorded from 1948. Clearance sale attested by 1843.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for clearance




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.