specialise
     v 1: devote oneself to a special area of work; "she specializes
          in honey bees"; "this plumber specialized in jacuzzis"
          syn: specialize
     2: be specific about; "could you please specify your criticism
        of my paper?" syn: specify, particularize, particularise,
         specialize ant: generalize
     3: suit to a special purpose; "specialize one's research" syn:
         specialize
     4: become more special; "we specialize in dried flowers" syn:
        specialize, narrow, narrow down ant: diversify,
        diversify
     5: evolve so as to lead to a new species or develop in a way
        most suited to the environment syn: speciate, differentiate,
         specialize
see also:
specialize specify particularize particularise generalize narrow 
narrow down diversify speciate differentiate