E`lon*ga"tion [LL. elongatio: cf. F. 'elongation.]
1.
The act of lengthening, or the state of being lengthened; protraction; extension.
"
Elongation of the fibers."
Arbuthnot.
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.
© Webster 1913.