Assimilation

The act or process of assimilating or bringing to a resemblance, likeness, or identity; also, the state of being so assimilated; as, the assimilation of one sound to another.

The conversion of nutriment into the fluid or solid substance of the body, by the processes of digestion and absorption, whether in plants or animals.

The process by which an organism incorporates nutrients into its cells and tissues

the process of absorbing nutrients into the body after digestion