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n, pl -li (-laɪ)
(Biology) a rod-shaped bacterium in the genus Thiobacillus that oxidizes sulphur and is found living in sewage, water, and soil
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|Noun||1.||thiobacillus - small rod-shaped bacteria living in sewage or soil and oxidizing sulfur|
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
genus Thiobacillus - a genus of bacteria