Origin: 1810–20; < Medieval Latin differentiātus distinguished (past participle of differentiāre), equivalent to Latin different(ia) difference + -ātus-ate1
Related forms
in·ter·dif·fer·en·ti·ate, verb (used with object), -at·ed, -at·ing.
1816, formed from different on model of Fr. différencier. Originally a mathematical term, trans. and non-technical sense of "discriminate between" is from 1876. Earlier, difference had been used as a verb in this sense. Related: Differentiated; differentiating; differentiation.