occlusion
[ uh-kloo-zhuh n ]
/ əˈklu ʒən /
noun
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.
Meteorology.
- the formation of an occluded front.
- occluded front.
Nearby words
Related formsoc·clu·sal [uh-kloo-suh l, -zuh l] /əˈklu səl, -zəl/, adjectivenon·oc·clu·sion, nounpre·oc·clu·sion, noun
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for occlusion
British Dictionary definitions for occlusion
occlusion
/ (əˈkluːʒən) /
noun
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
Derived Formsocclusal (əˈkluːsəl), adjective
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
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
Medicine definitions for occlusion
occlusion
[ ə-klōō′zhən ]
n.
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.
Science definitions for occlusion
occlusion
[ ə-klōō′zhən ]
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.