Definify.com
Webster 1913 Edition
Undifferentiated
Un-difˊfer-en′ti-aˊted
,Adj.
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.