The ratio of the extension of a material to the length of the material prior to stretching.
The period of this extra time:
A variation of clothing size longer than the average for that size
An extension by which something is carried to a further point:
Find another word for protraction. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for protraction, like: elongation, extension, prolongation, long, perpetuation, lengthening, lengthiness and continuation.