adjective🔗ShareRelating to or denoting the era of geological time from about 252 to 66 million years ago; the second of three geological eras."The Mesozoic Era saw the rise of the dinosaurs."geologyperiodhistorybiologyanimalpastChat with AIVocabulary GamePractice Reading
noun🔗ShareThe Mesozoic Era."Fossils from the Mesozoic are common."geologyperiodhistorybiologypastChat with AIVocabulary GamePractice Reading