The period of this extra time:
The ratio of the extension of a material to the length of the material prior to stretching.
A part or thing added to make something reach further or last longer; extension, supplement, sequel, etc.
A variation of clothing size longer than the average for that size
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, continuation, lengthiness, long, perpetuation, shortening, and decompensation.