1. Any bacterium of the genus Thiobacillus
   - sulphur bacteria [Brit, Cdn], sulfur bacteria [N. Amer]

Type of: thiobacillus

• fly in the face of
• fly in the ointment
• fly in the teeth of
• fly off the handle
• fly on
• fly on the wall
• fly open
• fly orchid
• fly poison
• fly rod
• fly sheet
• fly tent
• fly the coop
• fly tipper
• fly-by
• fly-by-night
• fly-fishing
• fly-half
• fly-tip
• flyaway
• flyblown
• flybridge
• flycatcher
• flycatching warbler
• flyer