prolongment

From prolong +‎ -ment.

• (Received Pronunciation) IPA^(key): /pɹəˈlɒŋmənt/
• (General American) IPA^(key): /pɹəˈlɔŋmənt/, /pɹəˈlɑŋmənt/, /pɹoʊ-/

prolongment (countable and uncountable, plural prolongments)

1. The act of prolonging, or the state of being prolonged; prolongation.

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