Definition of undifferentiated:
similar (part of speech: adjective)
- not differentiated,
- not distinguished
- uniform (part of speech: adjective)
- "On the Origin and Metamorphoses of Insects", Sir John Lubbock.
The position taken must be this:- Though mucous membrane in a highly- evolved individual organism, thus shows the powerful effect of the medium on its surface; yet we must not suppose that the medium had the effect of producing such a cell- structure on the surfaces of primitive forms, undifferentiated though they were; or, if we suppose that such an effect was produced on them, we must not suppose that it was inheritable.- "Essays: Scientific, Political, & Speculative, Vol. I", Herbert Spencer.
- "At the Mercy of Tiberius", August Evans Wilson.