English Dictionary

Definition of “impaction”

impaction (ɪmˈpækʃən) 

Definitions

noun

  1. the state of being firmly fixed or pressed together; compression
  2. constipation caused by a blockage of hardened faeces in the bowel
  3. (of a tooth) the state of being unable to erupt, esp because of being wedged against another tooth below the gum
  4. a collision or crash

impact

Definitions

noun

 (ˈɪmpækt Pronunciation for
  1. the act of one body, object, etc, striking another; collision
  2. the force with which one thing hits another or with which two objects collide
  3. the impression made by an idea, cultural movement, social group, etc ⇒ the impact of the Renaissance on Medieval Europe

verb

 (ɪmˈpækt Pronunciation for
  1. to drive or press (an object) firmly into (another object, thing, etc) or (of two objects) to be driven or pressed firmly together
  2. to have an impact or strong effect (on)

Derived Forms

imˈpaction noun

Word Origin

C18: from Latin impactus pushed against, fastened on, from impingere to thrust at, from pangere to drive in

Example Sentences Including 'impaction'

"I saw a specialist who asked me,'Are you familiar with the phrase'faecal impaction ?
Globe and Mail (2003)
If you are on these drugs for a prolonged period of time chronic constipation or stool impaction could occur.
Martlew, Gillian & Silver, Shelley (ed) The Medicine Chest - your family's guide to prescription drugs

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