Adjective differential has 2 senses
  1. differential - relating to or showing a difference; "differential treatment"
  2. differential - involving or containing one or more derivatives; "differential equation"
,Noun differential has 3 senses
  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
    --1 is a kind of calculation, computation, figuring, reckoning
    --1 has particulars: curvature; partial derivative, partial
  2. differential - a quality that differentiates between similar things
    --2 is a kind of
    difference
  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
    --3 is a kind of bevel gear, pinion and crown wheel, pinion and ring gear
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