- 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.
- 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.
Origin of occlude
SynonymsSee more synonyms on Thesaurus.com
1. obstruct, clog, block, plug.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for occlude
In some instances pseudo-membrane is so massed in plugs as to occlude the cavity of the tube, as with obturators.
At the same time it may so compress the main tube as to occlude its calibre and prevent access of food to the stomach.
The presence of old splits is often indicated by a ridge of callous, the result of the cambium's effort to occlude the wound.The Mechanical Properties of Wood
Samuel J. Record
When the nitration is completed, screw up the clamps and so occlude the two pieces of pressure tubing.The Elements of Bacteriological Technique
John William Henry Eyre
In finely divided form it has the ability to absorb or occlude gases, especially oxygen and hydrogen.An Elementary Study of Chemistry
- (tr) to block or stop up (a passage or opening); obstruct
- (tr) to prevent the passage of
- (tr) chem (of a solid) to incorporate (a substance) by absorption or adsorption
- meteorol to form or cause to form an occluded front
- dentistry to produce or cause to produce occlusion, as in chewing
C16: from Latin occlūdere, from ob- (intensive) + claudere to close
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 occlude
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- To force air upward from the Earth's surface, as when a cold front overtakes and undercuts a warm front.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.