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occlusion

 - 7 dictionary results
malocclusion
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oc⋅clu⋅sion

  [uh-kloo-zhuhn]
Use occlusion in a Sentence
–noun
1. the act or state of occluding or the state of being occluded.
2. Dentistry. the fitting together of the teeth of the lower jaw with the corresponding teeth of the upper jaw when the jaws are closed.
3. Pathology. closure or blockage of a blood vessel: coronary occlusion.
4. Phonetics. momentary complete closure at some area in the vocal tract, causing stoppage of the flow of air and accumulation of pressure.
5. Meteorology.
a. the formation of an occluded front.
b. occluded front.
Origin:
1635–45; < L occlūs(us) (ptp. of occlūdere to occlude ) + -ion

Related forms:
oc⋅clu⋅sal  [uh-kloo-suhl, -zuhl] , adjective
malocclusion
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occluded front

 
–noun Meteorology.
a composite front formed when a cold front overtakes a warm front and forces it aloft.
Also called occlusion.

Origin:
1965–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To occlusion
oc·clu·sion   (ə-klōō'zhən)   
n.  

    1. The process of occluding.

    2. Something that occludes.

    3. The process of occluding air masses.

    4. An occluded front.

  2. Medicine An obstruction or a closure of a passageway or vessel.

  3. Dentistry The alignment of the teeth of the upper and lower jaws when brought together.

  4. Meteorology

    1. The process of occluding air masses.

    2. An occluded front.

  5. Linguistics Closure at some point in the vocal tract that blocks the flow of air in the production of an oral or nasal stop.


[From Latin occlūsus, past participle of occlūdere, to occlude; see occlude.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: oc·clu·sion
Pronunciation: &-'klü-zh&n
Function: noun
1 : the act of occluding or the state of being occluded : a shutting off or obstruction of something occlusion>; especially : a blocking of the central passage of one reflex by the passage of another
2 a : the bringing of the opposing surfaces of the teeth of the two jaws into contact; also : the relation between the surfaces when in contact b : thetransient approximation of the edges of a natural opening <occlusion of the eyelids>
3 : SORPTION; especially : sorption of gases
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

occlusion oc·clu·sion (ə-kl&oomacr;'zhən)
n.

  1. The act of occluding or the state of being occluded.

  2. An obstruction or a closure of a body passage.

  3. Any contact between the cutting or chewing surfaces of opposing teeth.

  4. The alignment of the teeth of the upper and lower jaws when brought together.

  5. The absorption of a gas or other substance, as by a metal.

  6. 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.
Cite This Source
Science Dictionary
occluded front   (ə-kl'dĭd)  Pronunciation Key 
The front formed when a cold front occludes a warm front. Compare cold front, warm front.
occlusion   (ə-kl'zhən)  Pronunciation Key 

  1. An obstruction in a passageway, especially of the body.

  2. The alignment of the upper and lower sets of teeth with each other.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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