To prolong something is to make it last longer. You can prolong the life of a battery by keeping it cool or by charging it slowly.
The company is prolonging the life of the batteries by keeping them cool.
The politician is prolonging the life of the treaty by talking to the other side.
verb
To extend in space or length.
verb
To lengthen in time; to extend the duration of
Synonyms:
verb
To put off to a distant time; to postpone.
verb
To become longer; lengthen.
noun
Prolongation
1
It was the prolongation of the Great Depression.
2
Shooting of the film was prolonged.
3
The ovations were prolonged.
4
This is due to prolongation of the interval.
5
Monetary tightening may prolong.
6
The initial success of the play was not prolonged.
7
The jet prolongation of is the map defined by.
8
The prolongation of a occupation does not legitimise it.
9
The result was the infinite prolongation of the sound.
10
The road was prolonged to Larache in 1996.