Impacted

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Impact \Im*pact"\, v. t. [imp. & p. p. {Impacted}; p. pr. & vb.
     n. {Impacting}.] [L. impactus, p. p. of impingere to push,
     strike against. See {Impinge}.]
     1. To drive close; to press firmly together: to wedge into a
        place. --Woodward.
        [1913 Webster]


  
     2. To affect or influence, especially in a significant or
        undesirable manner; as, budget cuts impacted the entire
        research program; the fish populations were adversely
        impacted by pollution.
        [PJC]
  
     3. To collide forcefully with; to strike.
        [PJC]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Impacted \Im*pact"ed\, a.
     1. Driven together or close.
        [1913 Webster]
  
     2. Specifically: (Dentistry) Grown in an abnormal direction
        so that it is wedged against another tooth and cannot
        erupt normally; -- of teeth, especially the third molar;
        as, to extract an impacted third molar.
        [PJC]
  
     {Impacted fracture} (Surg.), a fracture in which the
        fragments are driven into each other so as to be
        immovable.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  impacted
       adj : wedged or packed in together; "an impacted tooth" [syn: {wedged}]