v. t.
The word then was differentiated into the two forms then and than. Earle. [ 1913 Webster ]
Two or more of the forms assumed by the same original word become differentiated in signification. Dr. Murray. [ 1913 Webster ]
v. i. (Biol.) To acquire a distinct and separate character. Huxley. [ 1913 Webster ]
adj.
n.
Further investigation of the Sanskrit may lead to differentiation of the meaning of such of these roots as are real roots. J. Peile. [ 1913 Webster ]
n. One who, or that which, differentiates. [ 1913 Webster ]