Absorption coefficient



a measure of the rate of decrease in the intensity of electromagnetic radiation, as light, as it passes through a given substance.

absorption coefficient n.

The milliliters of a gas at standard temperature and pressure that will saturate 100 milliters of liquid.

The amount of light absorbed in 1 atom or in 1 unit of thickness or mass of a given substance.

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  • Absorption costing

    noun a method of cost accounting in which overheads are apportioned to cost centres, where they are absorbed using predetermined rates Compare marginal costing

  • Absorption edge

    a discontinuity in the graph of the absorption coefficient of a substance plotted against the wavelength of x-rays being absorbed, representing the minimum energy necessary to free electrons from particular shells of the atoms of the substance.



  • Absorption dynamometer

    a device for measuring the torque or power of an engine in a process in which the energy supplied to the device by the engine is absorbed.

  • Absorption hygrometer

    a hygrometer that uses a hygroscopic chemical to absorb atmospheric moisture.



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