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单词 coefficient
释义

Definition of coefficient in English:

coefficient

noun ˌkəʊɪˈfɪʃ(ə)ntˌkoʊəˈfɪʃənt
  • 1Mathematics
    A numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4xy).

    Example sentencesExamples
    • Hermite had posed the problem of finding the minimal values of quadratic forms in n variables whose coefficients were real.
    • Montel also investigated the relation between the coefficients of a polynomial and the location of its zeros in the complex plane.
    • The problem was to find the roots by adding, subtracting, multiplying, dividing and taking roots of expressions in the coefficients.
    • The coefficients on the age variable in the models of organization-environment fit may then approach zero.
    • He extended the applications of the operational method to linear ordinary differential equations with variable coefficients.
  • 2Physics
    A multiplier or factor that measures a particular property.

    the drag coefficient
    Example sentencesExamples
    • The shading coefficient is the measure of solar heat gain through the window.
    • Where can I get a list of friction coefficients for different materials?
    • The drag coefficient combines several ballistic properties of typical projectiles.
    • This measure of a material's elasticity is called its coefficient of restitution.
    • It follows that hydrophobic organic compounds have high adsorption coefficients and high bioaccumulation factors.

Origin

Mid 17th century (in the sense 'cooperating to produce a result'): from modern Latin coefficient-, from com- 'together' + efficient- 'accomplishing' (see efficient).

Rhymes

efficient, proficient, sufficient
 
 

Definition of coefficient in US English:

coefficient

nounˌkoʊəˈfɪʃəntˌkōəˈfiSHənt
  • 1Mathematics
    A numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4xy).

    Example sentencesExamples
    • Hermite had posed the problem of finding the minimal values of quadratic forms in n variables whose coefficients were real.
    • Montel also investigated the relation between the coefficients of a polynomial and the location of its zeros in the complex plane.
    • The problem was to find the roots by adding, subtracting, multiplying, dividing and taking roots of expressions in the coefficients.
    • He extended the applications of the operational method to linear ordinary differential equations with variable coefficients.
    • The coefficients on the age variable in the models of organization-environment fit may then approach zero.
  • 2Physics
    A multiplier or factor that measures some property.

    the drag coefficient
    coefficients of elasticity
    Example sentencesExamples
    • This measure of a material's elasticity is called its coefficient of restitution.
    • Where can I get a list of friction coefficients for different materials?
    • The drag coefficient combines several ballistic properties of typical projectiles.
    • The shading coefficient is the measure of solar heat gain through the window.
    • It follows that hydrophobic organic compounds have high adsorption coefficients and high bioaccumulation factors.

Origin

Mid 17th century (in the sense ‘cooperating to produce a result’): from modern Latin coefficient-, from com- ‘together’ + efficient- ‘accomplishing’ (see efficient).

 
 
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更新时间:2024/12/23 10:33:59