#1 differentiate v. [distinguish, separate, secern, secernate, severalize, severalise, tell, tell apart] mark as different; "We distinguish several kinds of maple". wn
#2 differentiate v. [distinguish, mark] be a distinctive feature, attribute, or trait; sometimes in a very positive sense; "His modesty distinguishes him from his peers". wn
#3 differentiate v. calculate a derivative; take the derivative. wn
#4 differentiate v. become different during development; "cells differentiate". wn
#5 differentiate v. [speciate, specialize, specialise] evolve so as to lead to a new species or develop in a way most suited to the environment. wn
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