specialist

Meanings

1. 1
   noun

   A person who knows a lot about one particular subject or area of work.

   She is a specialist in ancient Roman history.

2. 2
   noun

   A doctor who treats one particular type of illness or part of the body.

   My doctor referred me to a heart specialist.

3. 3
   adj

   Needing or involving detailed knowledge of one particular subject.

   Repairing old clocks is highly specialist work.

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

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