Elongate is defined as to grow or stretch longer, or make something longer.
(verb)See elongate in Webster's New World College Dictionary
transitive verb, intransitive verb elongated, elongating
Origin: < LL elongatus, pp. of elongare, to prolong < L e-, out + longus, long
adjective
See elongate in American Heritage Dictionary 4
tr. & intr.v. e·lon·gat·ed, e·lon·gat·ing, e·lon·gates
Origin:
Origin: Late Latin ēlongāre, ēlongāt-; see eloign
.Learn more about elongate