Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: French
Origin: expert; EXPERT2

expertise

 noun
     
ex‧per‧tise W3 [uncountable]
special skills or knowledge in a particular subject, that you learn by experience or training
technical/financial/medical etc expertise
What he's bringing to the company is financial expertise.
trainee engineers with varying degrees of computer expertise
expertise in
expertise in the management of hotels
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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