Absorption

The act or process of absorbing or sucking in anything, or of being absorbed and made to disappear; as, the absorption of bodies in a whirlpool, the absorption of a smaller tribe into a larger.

An imbibing or reception by molecular or chemical action; as, the absorption of light, heat, electricity, etc.

In living organisms, the process by which the materials of growth and nutrition are absorbed and conveyed to the tissues and organs.

Entire engrossment or occupation of the mind; as, absorption in some employment.

The process by which one substance takes in another

the process of absorbing nutrients into the body after digestion

(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"

(chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid

the mental state of being preoccupied by something

complete attention; intense mental effort