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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.


archaebacteria British  
/ ˌɑːkɪbækˈtɪərɪə /

plural noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

Vocabulary lists containing archaebacteria

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The archaebacteria have a variety of wall types, but none of them is of the muramic-acid-based peptidogly­ can type.

From Scientific American Jan. 1, 2013

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

From Scientific American Jan. 1, 2013

In order to appreciate the special status of the archaebacteria it is helpful to consider some of the defining charac­teristics of eukaryotes and prokaryotes.

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 reason is not that additional differences do not exist; it is rather that the world of archaebacteria remains virtually un­explored.

From Scientific American Jan. 1, 2013

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