specialise

verb

1. 1

   evolve so as to lead to a new species or develop in a way most suited to the environment

2. 2

   become more focus on an area of activity or field of study

   She specializes in Near Eastern history

3. 3

   suit to a special purpose

   specialize one's research

   this kind of beak has become specialized in certain Galapagos finches

4. 4

   be specific about

   Could you please specify your criticism of my paper?

5. 5

   devote oneself to a special area of work

   She specializes in honey bees

   This baker specializes in French bread