absorption, soaking_up: (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid
absorption: (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"
assimilation, absorption: the social process of absorbing one cultural group into harmony with another
assimilation, absorption: the process of absorbing nutrients into the body after digestion