dif·fer·en·ti·ate /ˌdɪfəˈrɛnʧɪˌet/ 動詞
Dif·fer·en·ti·ate v. t.
1. To distinguish or mark by a specific difference; to effect a difference in, as regards classification; to develop differential characteristics in; to specialize; to desynonymize.
The word then was differentiated into the two forms then and than. --Earle.
Two or more of the forms assumed by the same original word become differentiated in signification. --Dr. Murray.
2. To express the specific difference of; to describe the properties of (a thing) whereby it is differenced from another of the same class; to discriminate.
3. Math. To obtain the differential, or differential coefficient, of; as, to differentiate an algebraic expression, or an equation.
Dif·fer·en·ti·ate, v. i. Biol. To acquire a distinct and separate character.
v 1: mark as different; "We distinguish several kinds of maple"
[syn: distinguish, separate, secern, secernate,
severalize, severalise, tell, tell apart]
2: be a distinctive feature, attribute, or trait; sometimes in
a very positive sense; "His modesty distinguishes him form
his peers" [syn: distinguish, mark]
3: calculate a derivative; take the derivative [ant: integrate]
4: become different during development; "cells differentiate"
5: evolve so as to lead to a new species or develop in a way
most suited to the environment [syn: speciate, specialize,
6: become distinct and acquire a different character