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Definition of 'absorption'


  1. (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid
       Synonyms: soaking up
  2. (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"
  3. the social process of absorbing one cultural group into harmony with another
       Synonyms: assimilation
  4. the process of absorbing nutrients into the body after digestion
       Synonyms: assimilation
  5. complete attention; intense mental effort
       Synonyms: concentration engrossment immersion
  6. the mental state of being preoccupied by something
       Synonyms: preoccupation preoccupancy engrossment

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