Bee English Dictionary

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absorber
  • n  (physics) material in a nuclear reactor that absorbs radiation
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absorptance
  • n  a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber
    absorptance equals 1 minus transmittance
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absorption
  • n  (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid
  • n  (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium
    the absorption of photons by atoms or molecules
  • n  the social process of absorbing one cultural group into harmony with another
  • n  the process of absorbing nutrients into the body after digestion
  • n  complete attention; intense mental effort
  • n  the mental state of being preoccupied by something
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absorption band
  • n  a dark band in the spectrum of white light that has been transmitted through a substance that exhibits absorption at selective wavelengths
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absorption coefficient
  • n  a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber
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