অর্থ : The act of prolonging something.
উদাহরণ :
There was an indefinite prolongation of the peace talks.
সমার্থক : lengthening, perpetuation, protraction
অর্থ : Amount or degree or range to which something extends.
উদাহরণ :
The wire has an extension of 50 feet.
সমার্থক : extension, lengthiness
অর্থ : The consequence of being lengthened in duration.
সমার্থক : continuation, lengthiness, protraction
Prolongation meaning in Bengali (Bangla).