1. Not possible to diagnose

See also: unidentifiable

• base of operations
• base on balls
• base pair
• base rate
• base runner
• base-forming
• baseball
• baseball bat
• baseball cap
• baseball card
• baseball clinic
• Averrhoa bilimbi
• Averrhoa carambola
• Averroes
• averse
• averseness
• aversion
• aversion therapy
• aversive
• aversive conditioning
• aversive stimulus
• avert
• avertable
• avertible
• averting