[{"Bold_text": "noun", "List Items": ["an instrument for receiving and recording simultaneously tracings of variations in certain body activities.", "a test using such an instrument to determine if a person is telling the truth.", "lie detector lie detector.", "an apparatus for producing copies of a drawing or writing.", "a prolific or versatile author."]}, {"Bold_text": "verb (used with object)", "List Items": ["to test (a person) with a polygraph."]}]