Undifferentiated
Pronunciation : Un*dif`fer*en"ti*a`ted
Part of Speech : a.
Definition : Defn: Not differentiated; specifically (Biol.), homogenous, or nearly so; -- said especially of young or embryonic tissues which have not yet undergone differentiation (see Differentiation, 3), that is, which show no visible separation into their different structural parts.
Source : Webster's Unabridged Dictionary, 1913