Impingement

n.

1.

The act of impinging.

Noun	1.	impingement - influencing strongly; "they resented the impingement of American values on European culture" Synonyms: encroachment, impact
	2.	impingement - a sharp collision produced by striking or dashing against something Synonyms: impaction

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