Monomorphic \Mon`o*mor"phic\, Monomorphous \Mon`o*mor"phous\, a.
[Mono- + Gr. morfh` form.] (Biol.)
Having but a single form; retaining the same form throughout
the various stages of development; of the same or of an
essentially similar type of structure; -- opposed to
{dimorphic}, {trimorphic}, and {polymorphic}.
[1913 Webster]