Webster's Revised Unabridged Dictionary · 1913

Elongate

Elongate , transitive verb

[Late Latin elongatus, past participle of elongare to remove, to prolong; e + Latin longus long. See Long, a., and compare Eloign.]

1.
To lengthen; to extend; to stretch; as, to elongate a line.
2.
To remove further off. [Obsolete] — Sir T. Browne

Elongate , intransitive verb

To depart to, or be at, a distance; esp., to recede apparently from the sun, as a planet in its orbit. [Rare]

Elongate , adjective

[Late Latin elongatus.]

Drawn out at length; elongated; as, an elongate leaf.
An elongate form. — Earle