1. Not soluble in water
   - non-water-soluble

See also: indissoluble, insoluble

• birdfeeder
• birdhouse
• birdie
• birdlike
• birdlime
• birdnest
• birdnesting
• birdseed
• birdseed grass
• birdsong
• birdwatch
• birefringence
• birefringent
• bireme
• biretta
• biriani
• birken
• birl
• birle
• birling
• Birmingham
• Biro
• birr
• birretta
• birth