expert
Translation
expert, specialist, authority
Examples
She is an expert in her field.
She is an expert in her field.
We need to consult an expert.
We need to consult an expert.
He is an expert at fixing cars.
He is an expert at fixing cars.
Grammar Patterns
((an expert)) ((in/on sth.)) a specialist in a field He is an expert in art.
((an expert)) ((at -ing)) skilled at doing (sth.) She is an expert at solving puzzles.
Similar Words
Synonyms: specialist, professional, authority; Antonyms: novice, amateur
Etymology
From Latin 'expertus', past participle of 'experiri' (to try, test). Same root as 'experiment'.
Memory Tips
An 'expert' is someone with a lot of 'experience', often from many 'experiments'.