specialist
/ˈspeʃəlɪst/
specialist in something
a specialist in Japanese history
a communications/public relations/management specialist
specialist on something
This is the view of virtually all independent specialists on the region.
Collocations
adjective
verb + specialist
preposition
phrases
a group of specialists
a team of specialists
a specialist in the field…
You need to see a specialist.
a cancer/fertility specialist
an eye/ear, nose, and throat specialist
I trained as a psychiatric specialist at the hospital.