purple sulfur bacterium

noun

Any gammaproteobacterium of the order Chromatiales.

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Meanings

nounpurple sulfur bacterium (plural purple sulfur bacteria)

plural purple sulfur bacteria

  1. bacteriologyAny gammaproteobacterium of the order Chromatiales.

Origin

purple (“color”) + sulfur bacterium

Full word history & related roots →
Cite this entry
APA

purple sulfur bacterium. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/purple%20sulfur%20bacterium

MLA

“purple sulfur bacterium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/purple%20sulfur%20bacterium. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “purple sulfur bacterium,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/purple%20sulfur%20bacterium.

Source: purple sulfur bacterium on Wiktionary, CC BY-SA 4.0.