elongation

/ɪˌlɔːŋˈɡeɪʃən/
noun
  1. The act or process of making something longer, or the state of being longer.
    • The elongation of the days in spring is a welcome change after winter.
    • Scientists studied the elongation of the metal under high temperatures.
    • The elongation of the rubber band made it easier to stretch around the package.
What does "elongation" mean? | whatsthatwordmean | whatsthatwordmean