specialist

noun

term used to describe a person great knowledge or skill in a particular field, domain, or profession
person who has completed a commercial or other vocational training, a college or a university degree

Pronunciation: /ˈspɛʃəlɪst/

Etymology: Borrowed from French spécialiste, equivalent to special + -ist.

Specialised, involving detailed knowledge of a restricted topic.
“This was a highly specialist job, and it has been very carefully carried out so that it is very hard to see that these windows are now modern replacements.”

Etymology: Borrowed from French spécialiste, equivalent to special + -ist.

Someone who is an expert in, or devoted to, some specific branch of study or research.
A player on a team who primarily employs one particular skill or takes one particular role.
A physician whose practice is limited to a particular branch of medicine or surgery.
“Dr. Robert Leroy Hutton, a retired specialist in internal medicine and a well‐known diagnostician, died yesterday here.”
“Most Americans mistakenly believe that they must see specialists for almost every medical problem.”
Any of several non-commissioned ranks corresponding to that of corporal.
An organism that is specialized for a particular environment.
“The tree Lepidothamnus laxifolius is a high alpine specialist found in high-altitude bog communities and in scrub.”
A stenotopic species.
A sixth-former at Eton College.