[dif.fer.en.ti.ate] vb -at.ed ; -at.ing vt (1816) 1: to obtain the mathematical derivative of
2: to mark or show a difference in: constitute a difference that distinguishes
3: to develop differential characteristics in
4: to cause differentiation of in the course of development
5: to express the specific distinguishing quality of: discriminate ~ vi 1: to recognize or give expression to a difference
2: to become distinct or different in character
3: to undergo differentiation -- dif.fer.en.tia.bil.i.ty n -- dif.fer.en.tia.ble adj