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

Type of: thiobacillus

• spring cress
• spring equinox
• spring frog
• spring greens
• spring gun
• spring heath
• guild socialism
• guilder
• guildhall
• guile
• guileful
• guileless
• Guillain-Barré syndrome
• Guillaume Apollinaire
• Guillaume de Grimoard
• guillemot
• guilloche
• guillotine
• guilt
• guilt by association
• guilt feelings
• guilt pang
• guilt trip
• guilt-ridden
• guiltily