Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The process of occluding.
  • noun Something that occludes.
  • noun Medicine An obstruction of an anatomical passage, as of an artery by plaque.
  • noun Dentistry The alignment of the teeth of the upper and lower jaws when brought together.
  • noun The process of occluding air masses.
  • noun An occluded front.
  • noun 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 The Century Dictionary.

  • noun In dentistry, the fitting into each other of the cusps of the opposing teeth in the upper and lower jaws.
  • noun A shutting up; a closing; specifically, in pathology, the total or partial closure of a vessel, cavity, or hollow organ; imperforation.
  • noun In physics and chem., the act of occluding, or absorbing and concealing; the state of being occluded. See occlude.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of occluding, or the state of being occluded.
  • noun (Med.) The transient approximation of the edges of a natural opening; imperforation.
  • noun (Chem. & Physics) the phenomenon of absorbing gases, as exhibited by platinum, palladium, iron, or charcoal.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The process of occluding, or something that occludes.
  • noun medicine Anything that obstructs or closes a vessel or canal.
  • noun medicine, dentistry The alignment of the teeth when upper and lower jaws are brought together.
  • noun meteorology An occluded front.
  • noun linguistics A closure within the vocal tract that produces an oral stop or nasal stop.
  • noun physics The absorption of a gas or liquid by a substance such as a metal.
  • noun computing The blocking of the view of part of an image by another.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun closure or blockage (as of a blood vessel)
  • noun (dentistry) the normal spatial relation of the teeth when the jaws are closed
  • noun the act of blocking
  • noun an obstruction in a pipe or tube
  • noun (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[From Latin occlūsus, past participle of occlūdere, to occlude; see occlude.]

Examples

  • And, two, these were the travel-and-waiting-room socks on the day (last November?) when I went to the Eye Pavilion and learned that retinal vein occlusion has involved permanent damage to my sight.

    Jean's Knitting

  • And, two, these were the travel-and-waiting-room socks on the day (last November?) when I went to the Eye Pavilion and learned that retinal vein occlusion has involved permanent damage to my sight.

    Archive 2009-09-01

  • Fetal lung growth after short-term tracheal occlusion is linearly related to intratracheal pressure.

    CHOP congenital diaphragmatic hernia publications

  • Current feature-based systems have accuracy that tops out at 65 percent when some form of occlusion is introduced.

    Engineers Test Highly Accurate Face Recognition « Isegoria

  • RCTs are not the end-all in regard to side effects with recent examples being cardiac outcomes of selective NSAIDs and the long term occlusion of drug eluting stents.

    Archive 2007-01-01

  • RCTs are not the end-all in regard to side effects with recent examples being cardiac outcomes of selective NSAIDs and the long term occlusion of drug eluting stents.

    Observational data is important but how do we analyze the data.

  • I was looking to see what the word occlusion meant.

    Discussion Forum - TuDiabetes

  • This could be a sculptor trying to capture a crucial feature of two-dimensional perspective -- a feature called "occlusion" -- whereby space is mapped out by showing what parts of one object overlap another.

    Gopnik's Daily Pic: Riccio at the National Gallery

  • The jaws are laterally compressed and gently curved, and though the bill tips meet when the jaws are in occlusion, a gap is usually visible part way along the jaws, even when they’re closed.

    Archive 2006-08-01

  • The jaws are laterally compressed and gently curved, and though the bill tips meet when the jaws are in occlusion, a gap is usually visible part way along the jaws, even when they’re closed.

    Bucorvids: post-Cretaceous maniraptorans on the savannah

Comments

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  • "...when he learnt that the grape in question was only one of the nine that made up the charge of the launch's four-pounder, he at once had him seized up by the heels, ran for the stomach-pump and forced a large quantity of tepid salt water tinged with rum into his body, reflecting with pleasure, as among the agonized retching he heard the clang of the ball in the basin, that he had cured his patient not only of probably mortal occlusion but of any taste for spiritous liquors for some time to come."

    --Patrick O'Brian, The Far Side of the World, 278

    February 23, 2008

  • Eeew!

    February 24, 2008