Definition of differential
(Entry 1 of 2)
1a
: of, relating to, or constituting a difference : distinguishing
differential characteristics
b
: making a distinction between individuals or classes
differential tax rates
c
: based on or resulting from a differential
d
: functioning or proceeding differently or at a different rate
differential melting
2
mathematics
: being, relating to, or involving a differential (see differential entry 2 sense 1) or differentiation
3
physics
a
: relating to quantitative differences (as of motion or pressure)
b
: producing effects by reason of quantitative differences
differential
nounDefinition of differential (Entry 2 of 2)
1
mathematics
a
: the product (see product sense 1) of the derivative of a function of one variable by the increment of the independent variable
b
: a sum of products in which each product consists of a partial derivative of a given function of several variables multiplied by the corresponding increment and which contains as many products as there are independent variables in the function
2
: a difference between comparable individuals or classes
a price differential
also
: the amount of such a difference
3a
: a drivetrain gear assembly connecting two collinear shafts or axles (such as those of the rear wheels of an automobile) and permitting one shaft to revolve faster than the other
a locking rear differential
b
: a case covering such an assembly
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Merriam-Webster unabridged
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Time Traveler for differential
The first known use of differential was in 1615
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