The act of prolonging something:
— There was an indefinite prolongation of the peace talks.

synoniemen: lengthening, perpetuation, protraction.

Roget 133: lateness etc. adj.; tardiness etc. (slowness) 275.    delay, delation; cunctation, procrastination; deferring, deferral etc. v.; postponement, adjournment, prorogation, retardation, respite, pause, reprieve, stay of execution; protraction, prolongation; Fabian policy, medecine expectante [Fr.], chancery suit, federal case; leeway; high time; moratorium, holdover.    ... meer laten zien

Roget 143: continuance, continuation; run; perpetuation, prolongation; persistence etc. (perseverance) 604.1; repetition etc. 104.   

Roget 200: length, longitude, span; mileage; distance etc. 196.    line, bar, rule, stripe, streak, spoke, radius.    lengthening etc. v.; prolongation, production, protraction; tension, tensure^†; extension.    [Measures of length] line, nail, inch, hand, palm, foot, cubit, yard, ell, fathom, rood, pole, furlong, mile, league; chain, link; arpent^†, handbreadth^†, jornada [U.S.], kos^†, vara^†.    [astronomical units of distance] astronomical unit, AU, light-year, parsec.    [metric units of length] nanometer, nm, micron, micrometer, millimicron, millimeter, mm, centimeter, cm, meter, kilometer, km.    pedometer, perambulator; scale etc. (measurement) 466.    ... meer laten zien

Nederlands: vereeuwiging, verlenging, verlengstuk
Pools: prolongacja, prolongata

Amount or degree or range to which something extends.

synoniemen: extension, lengthiness.

The consequence of being lengthened in duration.

synoniemen: continuation, lengthiness, protraction.