archaebacteria

[ ahr-kee-bak-teer-ee-uh ]

plural noun

, Microbiology.

, singular ar·chae·bac·te·ri·um [ahr-kee-bak-, teer, -ee-, uh, m].

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.

archaebacteria

/ ˌɑːkɪbækˈtɪərɪə /

plural noun

1. (formerly) a group of microorganisms now regarded as members of the Archaea See archaean

Word History and Origins

Origin of archaebacteria¹

First recorded in 1975–80; from New Latin; Archae- is irregular for archaeo- (perhaps an erroneous Latinizing of Greek arche- ); arche-, archaeo-, bacteria

Word History and Origins

Origin of archaebacteria¹

from archaeo- + bacteria