Elongation

Definition:

(n.) The act of lengthening, or the state of being lengthened; protraction; extension.
(n.) That which lengthens out; continuation.
(n.) Removal to a distance; withdrawal; a being at a distance; distance.
(n.) The angular distance of a planet from the sun; as, the elongation of Venus or Mercury.

Compare elongation with other words:

elongation vs. tension

elongation vs. tensile

elongation vs. prolongation

elasticity vs. elongation

ductility vs. elongation

elongation vs. extension