Verb
To mention specially; to particularize.
To apply to some specialty or limited object; to assign to a specific use; as, specialized knowledge.
To supply with an organ or organs having a special function or functions.
Source: Webster's dictionaryWhat we need is more people who specialize in the impossible. Theodore Roethke
You specialize in something until one day you find it is specializing in you. Arthur Miller
I specialize in murders of quiet, domestic interest. Agatha Christie
The division of labor among nations is that some specialize in winning and others in losing. Eduardo Galeano
I do personal attacks only on people who specialize in personal attacks. Al Franken
Where is the research that says HIV is the cause of AIDS? There are 10,000 people in the world now who specialize in HIV. None has any interest in the possibility HIV doesn't cause AIDS because if it doesn't, their expertise is useless. Kary Mullis