absorption coefficient

absorption coefficient

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

Origin:
1895–1900

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Medical Dictionary

absorption coefficient n.

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

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

The American Heritage® Stedman's Medical Dictionary
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