sulphur bacteria(n = noun.animal) sulfur bacteria, thiobacteria - any bacterium of the genus Thiobacillus;
is a kind of thiobacillus

bacteria, bacteria bed, bacteria family, bacteria genus, bacteria order, bacteria species, endospore-forming bacteria, enteric bacteria, gliding bacteria, native sulphur, nitric bacteria, nitrous bacteria, penicillin-resistant bacteria, phototrophic bacteria, phototropic bacteria, potato scab bacteria, purple bacteria, pus-forming bacteria, ring rot bacteria, slime bacteria, sulfur bacteria, sulphur, sulphur butterfly, sulphur dioxide, sulphur hexafluoride, sulphur mine, sulphur oxide, true bacteria