[{"Bold_text": "noun", "List Items": ["any of various large fishes of the family Acipenseridae, inhabiting fresh and salt waters in the North Temperate Zone North Temperate Zone,valued for their flesh and as a source of caviar and isinglass:Acipenser brevirostrumshortnose sturgeon,of the Atlantic coast, is a vulnerable species."]}, {"Bold_text": "noun", "List Items": ["Theodore (Hamilton),1918–85,U.S. science-fiction writer."]}]