Sagot :
The fact or state of being engrossed within something.
or
the process or action by which one thing that absorbs or it is absorbed by something else.
or
the process or action by which one thing that absorbs or it is absorbed by something else.
In biology absorption is a complex process of transforming big particle chemical compounds into smaller and simpler compounds in order to make them "eatable" by an organism. This process usually refers to animals (except carnivorous plants).