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 forms

non·pro·lon·ga·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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