E*lon"gate (?), v. t. [imp. & p. p. Elongated (?); p. pr. & vb. n. Elongating.] [LL. elongatus, p. p. of elongare to remove, to prolong; e + L. longus long. See Long, a., and cf. Eloign.] 1. To lengthen; to extend; to stretch; as, to elongate a line.