- the act or state of occluding or the state of being occluded.
- Dentistry. the fitting together of the teeth of the lower jaw with the corresponding teeth of the upper jaw when the jaws are closed.
- Pathology. closure or blockage of a blood vessel: coronary occlusion.
- Phonetics. momentary complete closure at some area in the vocal tract, causing stoppage of the flow of air and accumulation of pressure.
Origin of occlusion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for occlusion
The occlusion of the Mississippi was the grievance they deplored.
It is far different when the cause of the occlusion is to be ascertained.
Even gases may be expected to some extent to be retained by occlusion.Darwin and Modern Science
A.C. Seward and Others
The pain complained of may be due to occlusion of an artery, although evidence for this is lacking.Arteriosclerosis and Hypertension:
Louis Marshall Warfield
Occlusion of the left posterior cerebral artery causes extensive softening of the occipital lobe and produces pure word blindness.
- the act or process of occluding or the state of being occluded
- meteorol another term for occluded front
- dentistry the normal position of the teeth when the jaws are closed
- phonetics the complete closure of the vocal tract at some point, as in the closure prior to the articulation of a plosive
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 occlusion
1640s, from Medieval Latin occlusionem (nominative occlusio), noun of action from past participle stem of Latin occludere (see occlude). Dentistry sense is from 1880.
Online Etymology Dictionary, © 2010 Douglas Harper
- The act of occluding or the state of being occluded.
- An obstruction or closure of a body passage.
- Any contact between the cutting or chewing surfaces of opposing teeth.
- The alignment of the teeth of the upper and lower jaws when brought together.
- The absorption of a gas or other substance, as by a metal.
- The inclusion of one substance within another.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- An obstruction in a passageway, especially of the body.
- The alignment of the upper and lower sets of teeth with each other.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.