expert

An expert is a person who is very good at an activity or has a large amount of knowledge about a subject.

• Dan is an expert when it comes to wine.
• Rosa is an expert on antique jewelry.
• We consulted some experts for advice.
• He trained to become an expert on foreign relations.
• They hired an expert to take care of the problem.

Add "ise" to the end of "expert" to form the word "expertise." Expertise is experience.

• She was hired for her expertise in cooking Chinese food.
• He’s widely admired for his expertise in making furniture.
• How much expertise does she have as a teacher?
• The company decided to go with expertise over educational background when making a hiring decision.

In these sentences, "expert" is an adjective:

• We need an expert opinion.
• She’s an expert chef.
• He has expert knowledge in plumbing.

Mr. Cowan had expert knowledge of honeybees and honey production.

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August 22, 2013