[{"Bold_text": "noun", "List Items": ["any of several petrels of the genus Pachyptila,located in the oceans of the Southern Hemisphere and having serrated edges on the bill."]}, {"Bold_text": "noun", "List Items": ["a tiny proteinaceous particle, likened to viruses and viroids, but having no genetic component, thought to be an infectious agent in bovine spongiform encephalopathy, Creutzfeldt-Jakob disease, and similar encephalopathies."]}]