[{"Bold_text": "verb (used with object)", "List Items": ["to polish (a surface) by friction.Synonyms: shine , buff", "to make smooth and bright.", "Engraving.to flatten and enlarge the dots of (a halftone) by rubbing with a tool."]}, {"Bold_text": "noun", "List Items": ["gloss; brightness; luster:the burnish of brass andirons."]}]