[{"Bold_text": "noun", "List Items": ["an issuing forth suddenly and violently; outburst; outbreak.", "Geology.the ejection of molten rock, steam, etc., as from a volcano or geyser.", "something that is erupted or ejected, as molten rock, volcanic ash, or steam.", "Pathology.the breaking out of a rash or the like.a rash or exanthem.", "the breaking out of a rash or the like.", "a rash or exanthem."]}]