As verbs the difference between lengthened and elongated
is that lengthened is (lengthen) while elongated is (elongate).
As an adjective elongated is
extensive in length.
lengthened
English
Verb
(head)
(lengthen)
lengthen
English
Verb
(
en verb)
To make longer, to extend the length of.
To become longer.
Antonyms
* shorten
elongated
English
Adjective
(
en adjective)
extensive in length
stretched
(of a polyhedron) Having been modified by placing an prism in the middle of the polyhedron.
Verb
(head)
(elongate)
Derived terms
*gyroelongated