Meaning of archaebacteria
Pronunciation: (är"kē-bak-tēr'ē-u), [key]
— sing. -te•ri•um
- a group of microorganisms, including the methanogens and certain halophiles and thermoacidophiles, that have RNA sequences, coenzymes, and a cell wall composition that are different from all other organisms: considered to be an ancient form of life that evolved separately from the bacteria and blue-green algae and sometimes classified as a kingdom.
- archaebacteria (Thesaurus)