[{"Bold_text": "noun", "List Items": ["a person or thing that collects .", "a person employed to collect , duties, taxes, etc.", "a person who collects books, paintings, stamps, shells, etc., especially as a hobby.", "Electricity.a device for accumulating current from contact conductors.", "Electronics.an electrode in a transistor or vacuum tube for collecting , ions, or holes.", "Metallurgy. promoter(def5) promoter(def5).", "Energy. solar collector solar collector."]}]