The period of this extra time:
The ratio of the extension of a material to the length of the material prior to stretching.
A variation of clothing size longer than the average for that size
A part or thing added to make something reach further or last longer; extension, supplement, sequel, etc.
Find another word for prolongation. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for prolongation, like: extension, elongation, protraction, lengthening, lengthiness, long, perpetuation, continuation, shortening, and decompensation.