differentiation

in biology
https://doi.org/10.1351/goldbook.11716
Process by which a cell is committed to a lineage and becomes more specialized in structure and function.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 862 [Terms] [Paper]