archaebacterium

ar·chae·bac·te·ri·um  (ärk-bk-tîr-m)

n. pl. ar·chae·bac·te·ri·a

An archaeon.

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[archae(o)- + bacterium.]

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archaebacterium  (ärk-bk-tîr-m)

Plural archaebacteria

See archaeon.

Thesaurus

Noun

1.

archaebacterium - considered ancient life forms that evolved separately from bacteria and blue-green algae archaebacteria, archaeobacteria, archeobacteria moneran, moneron - organisms that typically reproduce by asexual budding or fission and whose nutritional mode is absorption or photosynthesis or chemosynthesis division Archaebacteria - in some classifications considered a kingdom methanogen - archaebacteria found in anaerobic environments such as animal intestinal tracts or sediments or sewage and capable of producing methane; a source of natural gas halophil, halophile - archaebacteria requiring a salt-rich environment for growth and survival thermoacidophile - archaebacteria that thrive in strongly acidic environments at high temperatures