Absorb

 

The process of one substance actually penetrating into the structure of another substance. This is different from adsorption, in which one substance adheres to the surface of another substance.

Note the differences below:

 

https://www.nfsa.gov.au/sites/default/files/uploads/2010/08/23/adsorb.gif

https://www.nfsa.gov.au/sites/default/files/uploads/2010/08/23/absorb.gif