English to English

adjective (a)

• not differentiated(adj.all)

  Synonym:
  uniform
  Antonym:
  differentiated
  

  source: wordnet30
• 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.(adjective)

  source: webster1913