[{"Bold_text": "noun", "List Items": ["Pathology.any of a group of diseases, usually intermittent or remittent, characterized by attacks of chills, fever, and sweating: formerly supposed to be due to swamp exhalations but now known to be caused by a parasitic protozoan, which is transferred to the human bloodstream by a mosquito of the genus Anophelesand which occupies and destroys red blood cells.", "Archaic.unwholesome or poisonous air."]}]