Archaebacteria (noun) Definition, Meaning & Examples

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plural noun, singular ar·chae·bac·te·ri·um [ahr-kee-bak-teer-ee-uhm]. /ˌɑr ki bækˈtɪər i əm/. Microbiology.
  1. a former term for the archaea, which in the three-domain system are no longer classified, either in kingdom or domain, with the bacteria.
pl n
  1. (formerly) a group of microorganisms now regarded as members of the Archaea
Archaebacteria (noun) Definition, Meaning & Examples

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