# differential

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## differential

pertaining to diversity; distinctive: a differential feature; a gear in a vehicle
Not to be confused with:
deferential – courteous, dutiful, respectful: She assumed a deferential attitude toward her teacher.
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

## dif·fer·en·tial

(dĭf′ə-rĕn′shəl)
1. Of, relating to, or showing a difference.
2. Constituting or making a difference; distinctive.
3. Dependent on or making use of a specific difference or distinction.
4. Mathematics Of or relating to differentiation.
5. Involving differences in speed or direction of motion.
n.
1. Mathematics
a. An infinitesimal increment in a variable.
b. The product of the derivative of a function of one variable and the increment of the independent variable.
2. A differential gear.
3. A difference between comparable things, as in wage rate or in price.

## differential

(ˌdɪfəˈrɛnʃəl)
1. of, relating to, or using a difference
2. constituting a difference; distinguishing
3. (Mathematics) maths of, containing, or involving one or more derivatives or differentials
4. (General Physics) physics engineering relating to, operating on, or based on the difference between two effects, motions, forces, etc: differential amplifier.
n
5. a factor that differentiates between two comparable things
6. (Mathematics) maths
a. an increment in a given function, expressed as the product of the derivative of that function and the corresponding increment in the independent variable
b. an increment in a given function of two or more variables, f(x1, x2, …xn), expressed as the sum of the products of each partial derivative and the increment in the corresponding variable
7. (Mechanical Engineering) an epicyclic gear train that permits two shafts to rotate at different speeds while being driven by a third shaft. See also differential gear
8. (Industrial Relations & HR Terms) chiefly Brit the difference between rates of pay for different types of labour, esp when forming a pay structure within an industry
9. (Commerce) (in commerce) a difference in rates, esp between comparable labour services or transportation routes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## dif•fer•en•tial

(ˌdɪf əˈrɛn ʃəl)

1. of or pertaining to difference or diversity.
2. constituting a difference; distinguishing; distinctive.
3. exhibiting or depending upon a difference or distinction.
4. pertaining to or involving the difference of two or more motions, forces, etc.
5. pertaining to or involving a mathematical derivative or derivatives.
n.
6. a difference or the amount of difference, as in rate, cost, degree, or quality, between things that are comparable.
8. Math.
a. a function of two variables that is obtained from a given function, y = f(x), and that expresses the approximate increment in the given function as the derivative of the function times the increment in the independent variable, written as dy = f~(x) dx.
b. any generalization of this function to higher dimensions.
9. Physics. the quantitative difference between two or more forces, motions, etc.: a pressure differential.
[1640–50; < Medieval Latin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 differential - the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dxcurvature - the rate of change (at a point) of the angle between a curve and a tangent to the curvefiguring, reckoning, calculation, computation - problem solving that involves numbers or quantitiespartial, partial derivative - the derivative of a function of two or more variables with respect to a single variable while the other variables are considered to be constant 2 differential - a quality that differentiates between similar thingsdifference - the quality of being unlike or dissimilar; "there are many differences between jazz and rock" 3 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 curvesdifferential gearbevel gear, pinion and crown wheel, pinion and ring gear - gears that mesh at an angle Adj. 1 differential - relating to or showing a difference; "differential treatment" 2 differential - involving or containing one or more derivatives; "differential equation"math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

## differential

noun
1. difference, gulf, gap, distinction, discrepancy, disparity, divergence, amount of difference Industrial wage differentials widened.
1. They may be forced to eliminate differential voting rights.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
Translations
differentiaali

## differential

[ˌdɪfəˈrenʃəl]
B. N
1. (esp Brit) (Econ) →
2. (Math) →
C. CPD differential calculus N
differential equation N
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

## differential

[ˌdɪfəˈrɛnʃəl] n
(= difference) →
(AUTOMOBILES) [car] → differential calculus n
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

## differential

adj (= different) rates of pay, treatment, diagnosis, effectsunterschiedlich; (= distinguishing) featureunterscheidend; differential pricing (Comm) → Preisdiskriminierung f
n
(= difference)Unterschied m(between zwischen); (Math) → Differenzial nt, → Differential nt; wage/salary differentialLohn-/Gehaltsunterschiede or -differenzen pl
(Aut) → Differenzial(getriebe) nt, → Differential(getriebe) nt

## differential

:
differential calculus
differential coefficient
n (Math) → Ableitung f
differential equations
differential gear
n (Aut) → Differenzial(getriebe) nt, → Differential(getriebe) nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

## differential

[ˌdɪfəˈrɛnʃl]
1. n (Econ) → (Math, Aut) →
differential calculus (Math) → calcolo differenziale
differential erosion →
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

## dif·fer·en·tial

a. diferencial, rel. a la diferenciación;
___ diagnosisdiagnóstico ___.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
It is a technology leader in its field with 85% market share of precision forged differential gears in India, 25% in the European market and 12% share of all vehicles globally.
In the Toyota Group's current driveline operations, Toyota, JTEKT, and Yutaka Seimitsu share responsibilities for development and production of each driveline component, with Toyota and Yutaka Seimitsu responsible for differential gears and JTEKT responsible for torque control devices (electronically controlled 4WD couplings).
As a result of an accident on a two-seat four-wheeled bicycle on a journey from Coventry to Birmingham with his son, William Starley invented differential gears. Many of us still ride bicycles.
The automaker is recalling the vehicles because defects in the vehicles' pinion gears could damage differential gears.
A simple transmission gave two forward speeds and reverse, while the spring-mounted differential gears were the same as those used on Case steam traction engines.
Today special attention is paid to the method of controlling speed changes using single-stage and multistage differential gears with a closed hydraulic system [1-16].

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