de-specialization

noun

1. the act of specializing, or pursuing a particular line of study or work: Medical students with high student loans often feel driven into specialization.
2. Biology. the adaptation of an organism or organ to a special function or environment: Basic biology suggests the selective pressures leading to convergent evolutionary specialization among desert-dwelling species.
3. the act of being restricted to some specific, or the act of becoming specialized.

n.

1. The act of specializing.
2. A specialty.
3. Adaptation, as of an organ or organism, to a specific function or environment.
4. differentiation