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.
* These videos are coming directly from Youtube, they may or may not be most relevant to the word "Monomorphous"
What is Define Dictionary Meaning?
Best thing is, its free and you can even contribute without creating an account.