prolongation

[ proh-lawng-gey-shuh n, -long- ]
/ ˌproʊ lɔŋˈgeɪ ʃən, -lɒŋ- /

noun

the act of prolonging: the prolongation of a line.
the state of being prolonged.
a prolonged or extended form.
an added part.

Origin of prolongation

1480–90; < Late Latin prōlongātiōn- (stem of prōlongātiō) extension. See prolongate, -ion
Related formsnon·pro·lon·ga·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Word Origin and History for prolongation

prolongation


n.

late 14c., from Old French prolongation (14c.), from Late Lation prolongationem (nominative prolongatio), noun of action from past participle stem of Latin prolongare (see prolong).

Online Etymology Dictionary, © 2010 Douglas Harper