occlusion(redirected from CRAO)
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top: in a cold-front occlusion cold air moves under a mass of warm air and under the cool air in front
bottom: in a warm-front occlusion cool air moves under a mass of warm air while riding over the cold air in front
a. The process of occluding.
b. Something that occludes.
2. Medicine An obstruction of an anatomical passage, as of an artery by plaque.
3. Dentistry The alignment of the teeth of the upper and lower jaws when brought together.
a. The process of occluding air masses.
b. 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.]
1. the act or process of occluding or the state of being occluded
2. (Physical Geography) meteorol another term for occluded front
3. (Dentistry) dentistry the normal position of the teeth when the jaws are closed
4. (Phonetics & Phonology) phonetics the complete closure of the vocal tract at some point, as in the closure prior to the articulation of a plosive
1. the act of occluding or the state of being occluded.
2. the fitting together of the teeth of the upper and lower jaws when the jaws are closed.
3. Phonet. momentary complete closure at some area in the vocal tract.
[1635–45; < Latin occlūs(us) (past participle of occlūdere]
oc•clu′sive (-sɪv) adj.
1. An obstruction in a passageway, especially of the body.
2. The manner in which the upper and lower sets of teeth fit together.
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|Noun||1.||occlusion - closure or blockage (as of a blood vessel)|
attack - a sudden occurrence of an uncontrollable condition; "an attack of diarrhea"
laryngospasm - a closure of the larynx that blocks the passage of air to the lungs
embolism - occlusion of a blood vessel by an embolus (a loose clot or air bubble or other particle)
thromboembolism - occlusion of a blood vessel by an embolus that has broken away from a thrombus
thrombosis - the formation or presence of a thrombus (a clot of coagulated blood attached at the site of its formation) in a blood vessel
coronary occlusion - occlusion of a coronary artery caused either by progressive atherosclerosis or by a blood clot
|2.||occlusion - (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft|
meteorology - the earth science dealing with phenomena of the atmosphere (especially weather)
front - (meteorology) the atmospheric phenomenon created at the boundary between two different air masses
|3.||occlusion - (dentistry) the normal spatial relation of the teeth when the jaws are closed|
spatial relation, position - the spatial property of a place where or way in which something is situated; "the position of the hands on the clock"; "he specified the spatial relations of every piece of furniture on the stage"
|4.||occlusion - an obstruction in a pipe or tube; "we had to call a plumber to clear out the blockage in the drainpipe"|
breech closer, breechblock - a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
impedimenta, obstruction, obstructor, obstructer, impediment - any structure that makes progress difficult
|5.||occlusion - the act of blocking |
obstruction - the act of obstructing; "obstruction of justice"
implosion - the initial occluded phase of a stop consonant
occlusion[ɒˈkluːʒən] N → oclusión f
1. n. oclusión, cierre, obstrucción;
coronary ___ → ___ coronaria;
pupillar ___ → ___ de la pupila;