1. Pertaining to flowerless plants (ferns or mosses) in which growth occurs only at the tip of the main stem
   - acrogenic

See also: acrogen

• base
• base hit
• base metal
• 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