| verb | devote oneself to a special area of work “She specializes in honey bees” |
| verb | be specific about “Could you please specify your criticism of my paper?” |
| verb | suit to a special purpose “specialize one's research” |
| verb | become more focus on an area of activity or field of study “She specializes in Near Eastern history” |
| verb | evolve so as to lead to a new species or develop in a way most suited to the environment |
| specialist | noun | practices one branch of medicine |
| specialization | noun | the special line of work you have adopted as your career |
| specializer | noun | an expert who is devoted to one occupation or branch of learning |
| specialisation | noun | the special line of work you have adopted as your career |
| specialiser | noun | an expert who is devoted to one occupation or branch of learning |
| particularization | noun | an individualized description of a particular instance |
| particularisation | noun | an individualized description of a particular instance |
| speciation | noun | the evolution of a biological species |