Elongation (noun)

The act of making or becoming longer; the state of being elongated.

Origin:

Late 16th century: from latin elongatio(n-), from elongare "stretch out" (see elongate).

Examples:

1. Elongation of the muscle causes an increase in muscle length.
2. Elongation of a planet is the angular distance of the planet from the sun as seen from the earth.
3. Elongation is the process of stretching a material.
4. Elongation is the increase in length of an object.
5. Elongation of the spine can be caused by poor posture.