the process of absorbing or the state of being absorbed
2.
physiol
a. normal assimilation by the tissues of the products of digestion
b. the passage of a gas, fluid, drug, etc, through the mucous membranes or skin
3.
physics a reduction of the intensity of any form of radiated energy as a result of energy conversion in a medium, such as the conversion of sound energy into heat
4.
immunol the process of removing superfluous antibodies or antigens from a mixture using a reagent
[C16: from Latin absorptiōn-, from absorbēre to absorb]