[noun] (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid Synonyms:soaking up
[noun] (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"
[noun] the social process of absorbing one cultural group into harmony with another Synonyms:assimilation
[noun] the process of absorbing nutrients into the body after digestion Synonyms:assimilation
