Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun prolongation

3 senses of prolongation

Sense 1
prolongation, protraction, perpetuation, lengthening -- (the act of prolonging something; "there was an indefinite prolongation of the peace talks")
       => continuance, continuation -- (the act of continuing an activity without interruption)

Sense 2
extension, lengthiness, prolongation -- (amount or degree or range to which something extends; "the wire has an extension of 50 feet")
       => longness -- (the property of being of long spatial extent; "one gene causes shortness and the other causes longness")

Sense 3
lengthiness, prolongation, continuation, protraction -- (the consequence of being lengthened in duration)
       => duration, length -- (continuance in time; "the ceremony was of short duration"; "he complained about the length of time required")