Showing results for "archaebacteria"

• plural of archaebacterium.

archaebacteria

American  

[ahr-kee-bak-teer-ee-uh] / ˌɑr ki bækˈtɪər i ə /

Also archaeobacteria

plural noun

Microbiology.

• archaebacterium
  singular

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.

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archaebacteria British  

/ ˌɑːkɪbækˈtɪərɪə /

plural noun

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

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Etymology

Origin of archaebacteria

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

Example Sentences

See Examples For:

archaebacteria

For some time it had been recognized that various organisms now classified as archaebacteria are individually somewhat peculiar.

From Scientific American ● Jan. 1, 2013

If one compares both ribosomal RNA and transfer RNA in eukaryotes, eubac­teria and archaebacteria, one finds a general pattern, of which the replace­ment of thymine in archaebacterial transfer RNA's is only one example.

From Scientific American ● Jan. 1, 2013

The name archaebacteria implies that these organisms were the dominant ones in the primeval biosphere.

From Scientific American ● Jan. 1, 2013

The phylogenetic evidence suggests that the archaebacteria are at least as old as the other major groups.

From Scientific American ● Jan. 1, 2013

The discovery of the archaebacteria provides the perspective needed to approach the question of whether the universal ancestor was a prokaryote or a progenote.

From Scientific American ● Jan. 1, 2013