Meaning | A constant number that serves as a measure of some property or characteristic / characteristic. |
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Narrower | absorption coefficient, coefficient of absorption, absorptance | A measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance |
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coefficient of expansion, expansivity | The fractional change in length or area or volume per unit change in temperature at a given constant pressure |

coefficient of friction | The ratio of the weight of an object being moved along a surface and the force that maintains contact between the object and the surface |

coefficient of mutual induction, mutual inductance | A measure of the induction between two circuits |

coefficient of reflection, reflection factor, reflectance, reflectivity | The fraction of radiant energy that is reflected from a surface |

coefficient of self induction, self-inductance | The ratio of the electromotive force produced in a circuit by self-induction to the rate of change of current producing it, expressed in henries |

coefficient of viscosity, absolute viscosity, dynamic viscosity | A measure of the resistance to flow of a fluid under an applied force |

drag coefficient, coefficient of drag | The ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body |

modulus | (physics) a coefficient that expresses how much of a specified property is possessed by a specified substance |

transmittance, transmission | The fraction of radiant energy that passes through a substance |

weight, weighting | (statistics) a coefficient assigned to elements of a frequency distribution in order to represent their relative importance |

Broader | constant | A number representing a quantity assumed to have a fixed value in a specified mathematical context |
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Spanish | coeficiente |
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Catalan | coeficient |
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