quinquevalent/kwingkwiʹvaylənt, kwinʹkwevələnt/ adj

• breech delivery
• breeches
• breeches buoy
• breeching
• breechloader
• breed
• breeder
• breeder reactor
• breeding
• breeding ground
• breeks
• breeze
• breeze-block
• breezeway
• breezy
• bremsstrahlung
• Bren gun
• brent goose
• bressumer
• brethren
• Breton
• breve
• brevet
• breviary
• brevity