[n] - influencing strongly 2. [n] - a sharp collision produced by striking or dashing against something
Im·pinge'ment noun The act of impinging. 
encroachment 2 impact noun influencing strongly; `they resented the impingement of American values on European culture`
noun a sharp collision produced by striking or dashing against something
(im-pinj´mәnt) advancement of one thing out of its expected place to where it may collide with something else; see impingement syndrome.
• (n.) The act of impinging.