specialist

/ˈspɛʃəlɪst/
noun
  1. A person who has great knowledge and skill in a particular area, especially in medicine or a profession.
    • The museum hired a specialist to identify the ancient coins.
    • She is a specialist in computer security and helps companies prevent hacking.
    • My doctor referred me to a heart specialist for further tests.
Antonyms
adjective
  1. Relating to or involving a specific area of knowledge or activity; not general.
    • He works in a specialist hospital that treats only cancer patients.
    • We need specialist equipment to repair the satellite.
    • The library has a specialist collection of rare books.
What does "specialist" mean? | whatsthatwordmean | whatsthatwordmean