Definition of constriction in English:

constriction

Syllabification: con·stric·tion
Pronunciation: /kənˈstrikSHən
 
/

noun

  • 1The action of making something narrower by pressure or of becoming narrower; tightening: asthma is a constriction of the airways
    More example sentences
    • Sponges are capable of regulating the amount of flow through their bodies by the constriction of various openings.
    • The initial phase of the process is vascular constriction.
    • Similarly, histamine arises in many tissues by the decarboxylation of histidine, which in excess causes constriction or dilation of various blood vessels.
    Synonyms
    tightness, pressure, compression, contraction, cramp; obstruction, blockage, impediment; Medicine stricture, stenosis
  • 1.1A place where something has become tighter or narrower; an obstruction: flow was impeded at bends and constrictions
    More example sentences
    • The diagnosis is emended to include the new observation of basal constrictions at dichotomies.
    • The treated limb will show patchy areas of pallor caused by arteriolar constriction.
    • The aganglionic segment is of normal caliber without stricture or constriction.

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Pronunciation: kəːf
noun
a slit made by cutting with a saw