noun🔗Share고세균Any primitive bacteria-like organism in the kingdom Archaea."Scientists study archaebacteria because they are some of the oldest forms of life on Earth. "과학자들은 고세균이 지구상에서 가장 오래된 생명체 중 하나이기 때문에 연구합니다.organismbiologymicroorganismChat with AIVocabulary GamePractice Reading