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   Oc·clu·sion

   /əˈklo͞oZH(ə)n/

   

   noun

   • 1. the blockage or closing of an opening, blood vessel, or hollow organ: "examination revealed central retinal artery occlusion"
   • ▪ the momentary closure of the passage of breath during the articulation of a consonant.
   • 2. a process whereby something is hidden or obscured from prominence or view: "the occlusion of female agency in recent and contemporary discourse on the subject"
   • 3. a process in which the cold front of a rotating low-pressure system overtakes the warm front, forcing the warm air upward above a wedge of cold air: "often, in the later stages of a storm's life cycle, a frontal occlusion occurs"
   • ▪ an occluded front.
   • 4. the position of the teeth when the jaws are closed.

   Word Origin mid 17th century: from Latin occlus- ‘shut up’ (from the verb occludere) + -ion.

   Derivatives

   • 1. occlusive adjective

   Scrabble Points: 13

   • O

     1

   • C

     3

   • C

     3

   • L

     1

   • U

     1

   • S

     1

   • I

     1

   • O

     1

   • N

     1

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