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occlude

[uh-klood]

verb (used with object)

to close, shut, or stop up (a passage, opening, etc.).

to shut in, out, or off.

Physical Chemistry. (of certain metals and other solids) to incorporate (gases and other foreign substances), as by absorption or adsorption.

verb (used without object)

Dentistry. to shut or close, with the cusps of the opposing teeth of the upper and lower jaws fitting together.

Meteorology. to form an occluded front.

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rising or tending to rise again; reviving

having or showing great warmth or intensity of spirit, feeling, enthusiasm; burning or glowing

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Origin:
1590–1600; < Latin occlūdere to shut up, close up, equivalent to oc- oc- + -clūdere, combining form of claudere to close

Related forms

oc·clud·ent, adjective

un·oc·clud·ed, adjective

Synonyms
1. obstruct, clog, block, plug.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To occlude

Example Sentences

The brain realizes that a rectangle must be opaque to occlude the four black disks.

Collins

World English Dictionary

occlude (əˈkluːd)

—vb
1.	(tr) to block or stop up (a passage or opening); obstruct
2.	(tr) to prevent the passage of
3.	(tr) chem (of a solid) to incorporate (a substance) by absorption or adsorption
4.	meteorol to form or cause to form an occluded front
5.	dentistry to produce or cause to produce occlusion, as in chewing

[C16: from Latin occlūdere, from ob- (intensive) + claudere to close]

oc'cludent

—*adj*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline

Word Origin & History

occlude

1590s, from L. occludere (pp. occlusus) "shut up, close up," from ob "against, up" + claudere "to shut, close" (see close (v.)). Of teeth, 1880 (implied in occlusion).

Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage

Medical Dictionary

occlude oc·clude (ə-kl&oomacr;d')
v. oc·clud·ed, oc·clud·ing, oc·cludes

To cause to become closed; obstruct.
To prevent the passage of.
To bring together the upper and lower teeth in proper alignment for chewing.
To enclose a virus, as in an inclusion body.
In chemistry, to absorb and retain gases and other substances.

oc·clud'ent adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage

Science Dictionary

occlude

(ə-kl