expertise
Meanings
Noun
1. appraisal, valuation (countable)
2. assessment (countable)
3. expertness, expertise, expert knowledge (great skill or knowledge in a particular field or hobby) (uncountable)
Examples3
Quel est votre domaine d'expertise ?
What is your area of expertise?
C'est mon domaine d'expertise.
This is my area of expertise.
Son manque d'expertise lui interdit toute promotion.
His lack of technical knowledge precluded him from promotion.