"differential" in the noun sense
1. derived function, derivative, differential coefficient, differential, first derivative
the result of mathematical differentiation the instantaneous change of one quantity relative to another df(x)/dx
2. differential
a quality that differentiates between similar things
3. differential gear, differential
a bevel gear that permits rotation of two shafts at different speeds used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves
"differential" in the adjective sense
1. differential
relating to or showing a difference
"differential treatment"
2. differential
involving or containing one or more derivatives
"differential equation"
Source: WordNet® (An amazing lexical database of English)
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