spe·cial·ize / ˈspeshəˌlīz/ • v. [intr.] concentrate on and become expert in a particular subject or skill: he could specialize in tropical medicine. ∎ confine oneself to providing a particular product or service: the company specialized in commercial brochures. ∎ make a habit of engaging in a particular activity: a group of writers has specialized in attacking the society they live in. ∎ [tr.] (often be specialized) Biol. adapt or set apart (an organ or part) to serve a special function or to suit a particular way of life: zooids specialized for different functions.DERIVATIVES: spe·cial·i·za·tion / ˌspeshəliˈzāshən/ n.