elongation
1. [ noun ] an addition to the length of something
Synonyms: extension
Related terms: addition elongate
2. [ noun ] the quality of being elongated
Related terms: longness elongate
3. [ noun ] the act of lengthening something
Related terms: change_of_shape elongate
Similar spelling:   ellington
  elongate
  elongated
  Ellingson
  elongate_leaf