elon·ga·tion /(ˌ)iˌlɔŋˈgeʃən/
  伸長,延長,伸張度
  elon·ga·tion /(ˌ)ɪˌlɔŋˈgeʃən/ 名詞
  伸長,延伸
  elongation
  出錯; 單位
  E·lon·ga·tion n.
  1. The act of lengthening, or the state of being lengthened; protraction; extension. “Elongation of the fibers.”
  2. That which lengthens out; continuation.
     May not the mountains of Westmoreland and Cumberland be considered as elongations of these two chains?   --Pinkerton.
  3. Removal to a distance; withdrawal; a being at a distance; distance.
     The distant points in the celestial expanse appear to the eye in so small a degree of elongation from one another, as bears no proportion to what is real.   --Glanvill.
  4. Astron. The angular distance of a planet from the sun; as, the elongation of Venus or Mercury.
  ◄ ►
  elongation
       n 1: the quality of being elongated
       2: an addition to the length of something [syn: extension]
       3: the act of lengthening something