英语词汇“differential”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

dif•fer•en•tial adj.

of or relating to difference.

n. [countable]

a difference or the amount of difference between comparable things:a wage differential between police and firefighters.

dif•fer•en•tial adj.

of or pertaining to difference or diversity.
constituting a difference;
distinguishing;
distinctive:a differential feature.
exhibiting or depending upon a difference or distinction.
Physicspertaining to or involving the difference of two or more motions, forces, etc.
Mathematicspertaining to or involving a derivative or derivatives.

a difference or the amount of difference, as in rate, cost, quantity, degree, or quality, between things that are comparable.
Mechanical EngineeringAlso called differential gear. [Mach.]an epicyclic train of gears designed to permit two or more shafts to rotate at different speeds, as a set of gears in an automobile permitting the rear wheels to be driven at different speeds when the car is turning.
Mathematics
- 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.
- any generalization of this function to higher dimensions.
Business[Com.]
- the difference involved in a differential rate.
- See differential rate.
Physicsthe quantitative difference between two or more forces, motions, etc.:a pressure differential.

Medieval Latin differentiālis, equivalent. to differenti(a) difference + ālis -al
1640–50

dif′fer•en′tial•ly, adv.

differential /ˌdɪfəˈrɛnʃəl/ adj

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

a factor that differentiates between two comparable things
an increment in a given function, expressed as the product of the derivative of that function and the corresponding increment in the independent variable
an increment in a given function of two or more variables, f(x₁, x₂, …x_n), expressed as the sum of the products of each partial derivative and the increment in the corresponding variable
See also differential gear
chiefly Brit 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

ˌdifferˈentially adv

单词	differential
释义	WordReference Random House Learner's Dictionary of American English © 2024 dif•fer•en•tial /ˌdɪfəˈrɛnʃəl/USA pronunciation adj. of or relating to difference. n. [countable] a difference or the amount of difference between comparable things:a wage differential between police and firefighters. WordReference Random House Unabridged Dictionary of American English © 2024 dif•fer•en•tial (dif′ə ren′shəl),USA pronunciation adj. of or pertaining to difference or diversity. constituting a difference; distinguishing; distinctive:a differential feature. exhibiting or depending upon a difference or distinction. Physicspertaining to or involving the difference of two or more motions, forces, etc. Mathematicspertaining to or involving a derivative or derivatives. n. a difference or the amount of difference, as in rate, cost, quantity, degree, or quality, between things that are comparable. Mechanical EngineeringAlso called differential gear. [Mach.]an epicyclic train of gears designed to permit two or more shafts to rotate at different speeds, as a set of gears in an automobile permitting the rear wheels to be driven at different speeds when the car is turning. Mathematics 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. any generalization of this function to higher dimensions. Business[Com.] the difference involved in a differential rate. See differential rate. Physicsthe quantitative difference between two or more forces, motions, etc.:a pressure differential. Medieval Latin differentiālis, equivalent. to differenti(a) difference + ālis -al 1640–50 dif′fer•en′tial•ly, adv. Collins Concise English Dictionary © HarperCollins Publishers:: differential /ˌdɪfəˈrɛnʃəl/ adj of, relating to, or using a difference constituting a difference; distinguishing of, containing, or involving one or more derivatives or differentials relating to, operating on, or based on the difference between two effects, motions, forces, etc n a factor that differentiates between two comparable things an increment in a given function, expressed as the product of the derivative of that function and the corresponding increment in the independent variable an increment in a given function of two or more variables, f(x₁, x₂, …x_n), expressed as the sum of the products of each partial derivative and the increment in the corresponding variable See also differential gear chiefly Brit 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 ˌdifferˈentially adv
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