prolongation
(noun)
noun
1. the act of prolonging something
- there was an indefinite prolongation of the peace talks
Similar word(s): lengthening, perpetuation, protraction
Definition categories: act, continuance, continuation
2. amount or degree or range to which something extends
Similar word(s): extension, lengthiness
Definition categories: attribute, longness
3. the consequence of being lengthened in duration
Similar word(s): continuation, lengthiness, protraction