ARCHAEBACTERIA Definition & Meaning

archaebacteria

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

Phonetic (Standard)IPA

plural noun

Microbiology.

singular archaebacterium

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

/ ˌɑː��ɪ��æ��ˈ��ɪə��ɪə /

plural noun

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

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51�Թ� 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

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51�Թ� History and Origins

Origin of archaebacteria¹

from archaeo- + bacteria

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Example Sentences

Examples have not been reviewed.

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

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Moreover, some of the archaebacteria have a form of metabolism that seems particularly well suited to the conditions believed to have prevailed in the early history of life on the earth.

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The supposed great antiquity of the archaebacteria remains an unproved prejudice, but it is a plausible one.

From

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

From

They revealed nothing about the quality of the differences—the phenotypic differences—between the archaebacteria and the true bacteria.

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