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Definition of "occlusion" []

  • The process of occluding. (noun)
  • Something that occludes. (noun)
  • Medicine An obstruction or a closure of a passageway or vessel. (noun)
  • Dentistry The alignment of the teeth of the upper and lower jaws when brought together. (noun)
  • Meteorology The process of occluding air masses. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "occlusion" in a sentence
  • "Fetal lung growth after short-term tracheal occlusion is linearly related to intratracheal pressure."
  • "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."
  • "Current feature-based systems have accuracy that tops out at 65 percent when some form of occlusion is introduced."