expert
Translation
expert, specialist, authority
Examples
He is a leading expert on the subject.
He is a leading expert on the subject.
They called in an expert to evaluate the painting.
They called in an expert to evaluate the painting.
Grammar Patterns
((in/on sth.)) an expert in/on (sth.) She is an expert in robotics.
Similar Words
Synonyms: specialist, authority; Antonyms: amateur, novice
Etymology
From Latin 'expertus', past participle of 'experiri' (to try, test). It shares the same root as 'experiment'.
Memory Tips
An 'ex'pert has a lot of 'ex'perience.