Definition of: differentiation

(dif′ə·ren′shē·ā′shən) noun
1. The process of making or becoming different.
2. Biol. a Progressive change from the general to the special, as in all organs and tissues in course of development. b The setting apart of special organs for special work: distinguished from ordinary cellular growth in that the cells produced by division are dissimilar to the parent cells.
3. Logic Distinction on grounds of difference; discrimination.
4. Math. The finding of a differential.