[n] the mental state of being preoccupied by something
[n] complete attention; intense mental effort
[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 process of absorbing nutrients into the body after digestion
[n] the social process of absorbing one cultural group into harmony with another