Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary


noun thio·ba·cil·lus \-bə-ˈsil-əs\

Medical Definition of thiobacillus

  1. 1 capitalized :  a genus of small rod-shaped bacteria (family Thiobacteriaceae) that live in water, sewage, and soils, derive energy from oxidation of sulfides, thiosulfates, or elemental sulfur, and obtain carbon from carbon dioxide, bicarbonates, or carbonates in solution

  2. 2plural thiobacilli \-ˌī\play :  any bacterium (as some sulfur bacteria) of the genus Thiobacillus

Seen and Heard

What made you want to look up thiobacillus? Please tell us where you read or heard it (including the quote, if possible).