Английский разговорный словарь (основной) - specialist
Specialist
specialist
ˈspeʃəlɪst n. (usu. foll. by in) 1 a personwho is trained in a particularbranch of a profession, esp. medicine (a specialist in dermatology). 2 a person who specially or exclusively studies a subject or a particular branch of a subject. øøspecialism n. specialistic adj.