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

impingement \impinge"ment\, n.
   the act of impinging.
   1913 webster

[2] : WordNet (r) 2.0

impingement
     n 1: influencing strongly; "they resented the impingement of
          american values on european culture" syn: encroachment,
           impact
     2: a sharp collision produced by striking or dashing against
        something syn: impaction
see also:
encroachment impact impaction 

[3] : Moby Thesaurus II by Grady Ward, 1.0

75 moby thesaurus words for "impingement":
   appulse, attouchement, brunt, brush, bulldozing, bulling, bump,
   cannon, carambole, caress, carom, clash, collision, concussion,
   contact, contingence, crack-up, crash, crump, crunch, encounter,
   encroachment, entrance, entrenchment, glance, graze, hammering,
   impact, impingence, imposition, incursion, infiltration, influx,
   infringement, injection, inroad, insinuation, interference,
   interjection, interloping, interposition, interposure,
   interruption, intervention, intrusion, invasion, irruption, jar,
   jolt, kiss, mauling, meeting, nudge, obtrusion, onslaught,
   osculation, percussion, ramming, rub, shock, sideswipe,
   sledgehammering, smash, smash-up, smashing, taction, tangency,
   tentative contact, thrusting, touch, touching, trespass,
   trespassing, unlawful entry, whomp

Impingement >> I Words
Impingement, definition of term: Impingement
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