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

Type of: thiobacillus

• Catananche caerulea
• cataphasia
• cataphatic
• cataphatism
• cataphoresis
• cataphoretic
• cataphract
• cataphyll
• backhand stroke
• backhanded
• backhander
• backhaul
• backhoe
• backing
• backlash
• backless
• backlight
• backlighting
• backlog
• backmost
• backorder
• backpack
• backpacker
• backpacking
• backpacking tent