impingement

From impinge +‎ -ment.

• IPA^(key): /ɪmˈpɪnd͡ʒmənt/

impingement (countable and uncountable, plural impingements)

1. The act of impinging.

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “impingement”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “impingement”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.