specialist
US /ˈspeʃ.əl.ɪst/
UK /ˈspeʃ.əl.ɪst/

1.
specialista, esperto
a person who is an expert in a particular area of work or study
:
•
She is a specialist in ancient Roman history.
È una specialista in storia romana antica.
•
You should consult a medical specialist for your condition.
Dovresti consultare uno specialista medico per la tua condizione.
1.
specialistico, specifico
having or involving a special area of knowledge or skill
:
•
He offers specialist advice on tax matters.
Offre consulenza specialistica in materia fiscale.
•
The company provides specialist training for its employees.
L'azienda fornisce formazione specialistica ai suoi dipendenti.