differential

[dif-uh-ren-shuh l]

adjective

noun


Origin of differential

1640–50; < Medieval Latin differentiālis, equivalent to differenti(a) difference + ālis -al1
Related formsdif·fer·en·tial·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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British Dictionary definitions for differential

differential

adjective

of, relating to, or using a difference
constituting a difference; distinguishing
maths of, containing, or involving one or more derivatives or differentials
physics engineering relating to, operating on, or based on the difference between two effects, motions, forces, etcdifferential amplifier

noun

a factor that differentiates between two comparable things
maths
  1. an increment in a given function, expressed as the product of the derivative of that function and the corresponding increment in the independent variable
  2. an increment in a given function of two or more variables, f(x 1, x 2, … x n), expressed as the sum of the products of each partial derivative and the increment in the corresponding variable
an epicyclic gear train that permits two shafts to rotate at different speeds while being driven by a third shaftSee also differential gear
mainly British the difference between rates of pay for different types of labour, esp when forming a pay structure within an industry
(in commerce) a difference in rates, esp between comparable labour services or transportation routes
Derived Formsdifferentially, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for differential
adj.

1640s, from Medieval Latin differentialis, from Latin differentia (see difference). Related: Differentially.

Online Etymology Dictionary, © 2010 Douglas Harper

differential in Science

differential

[dĭf′ə-rĕnshəl]

An infinitesimal increment in a variable.
The product of the derivative of a function of one variable and the increment of the independent variable.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.