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.
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- absorption band,
- absorption chromatography,
- absorption costing,
- absorption dynamometer,
- absorption edge,
- absorption hygrometer,
- absorption spectrum
Origin of absorption coefficient
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.