Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various rod-shaped, halophilic, pigmented archaea of the genus Halobacterium, some of which produce bacteriorhodopsin to facilitate ATP synthesis during periods of oxygen deficiency.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any of various extremophiles, of genus Halobacteria, found in water saturated or nearly saturated with salt.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun halophiles in saline environments such as the Dead Sea or salt flats

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin Halobactērium, genus name : halo– + bacterium (from the fact that archaea such as halobacteria were formerly classified as bacteria).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

halo- +‎ bacterium

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