specialist
noun [ C ]
uk/ˈspeʃəlɪst/ ussomeone who has a lot of experience, knowledge, or skill in a particular subject or business area:
specialist in sth She is a specialist in financial services and insurance.
FINANCE, STOCK MARKET
someone who works on a US stock market and buys and sells shares in particular types of companies:
Specialists on regional exchanges sometimes have lower dealing costs than those in New York.
specialist
adjective [ before noun ]
uk/ˈspeʃəlɪst/ ushaving a lot of experience, knowledge, or skill in a particular subject or business area:
The bank can give you specialist advice.
It is always good to consult a specialist financial adviser.
Five specialist firms are under investigation for allegedly interfering in the buying and selling of shares by investors.