ex·pert noun 1. a person who has a comprehensive and authoritative knowledge of or skill in a particular area. \”experts in directional boring\” synonyms: specialist, authority, pundit adjective 1. having or involving authoritative knowledge. \”he had received expert directional drilling advice\” synonyms: skillful, skilled, adept, accomplished, talented, fine Texas Directional Boring Glossary of Terms | … Continue reading Glossary of Terms