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archaebacteria

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

Origin

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plural noun, singular ar·chae·bac·te·ri·um

[-teer-ee-uhm] .

a group of microorganisms, including the methanogens and certain halophiles and thermoacidophiles, that have RNA sequences, coenzymes, and a cell wall composition that are different from all other organisms: considered to be an ancient form of life that evolved separately from the bacteria and blue-green algae and sometimes classified as a kingdom.

Also, ar·chae·o·bac·te·ri·a

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

Origin:
1977; < Neo-Latin, equivalent to archae-, irregular for archaeo- archaeo- (perhaps an erroneous Latinizing of Greek arche- arche-) + bacteria bacteria

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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To archaebacteria

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Archaebacteria has a plethora of syllables.

So is cyclotrimethylenetrinitramine. Does it mean:

a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells.

opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.

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Collins

World English Dictionary

archaebacteria (ˌɑːkɪbækˈtɪərɪə)

—*pl n*
	See archaean (formerly) a group of microorganisms now regarded as members of the Archaea

[from archaeo- + bacteria]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

archaebacteria

pl. of archaebacterium (1977), from archaeo-, from Gk. arkhaios "ancient," from arkhe "beginning" (see archon) + bacterium (see bacteria).

American Heritage

Science Dictionary

archaebacterium