halobacterium

noun hal·o·bacterium

Definition of halobacterium

  1. 1 capitalized :  a genus of halophilic rod or disk-shaped gram-negative aerobic primitive bacteria (family Halobacteriaceae) that live in strongly saline pools in red to orange colonies and that at low oxygen levels synthesize the purple-pigmented protein bacteriorhodopsin

  2. 2 :  a bacterium of the genus Halobacterium

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Origin and Etymology of halobacterium

New Latin, from hal- + bacterium


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