v.tr. (usu. foll. by on, upon) 1 make an impact; have an effect. 2 encroach. impingement n. impinger n.
[ L impingere drive (a thing) at (as IN-(2), pangere fix, drive) ]
IMPINGE
Meaning of IMPINGE in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012