[{"Bold_text": "noun", "List Items": ["Physics.the property or characteristic that produces unequal physical effects at different points in a body or system, as a magnet or storage battery.the positive or negative state in which a body reacts to a magnetic, electric, or other field.", "the property or characteristic that produces unequal physical effects at different points in a body or system, as a magnet or storage battery.", "the positive or negative state in which a body reacts to a magnetic, electric, or other field.", "the presence or manifestation of two opposite or contrasting principles or tendencies.", "Linguistics.(of words, phrases, or sentences) positive or negative character. polar opposition polar opposition.", "(of words, phrases, or sentences) positive or negative character.", "polar opposition polar opposition."]}]