1. Pertaining to or containing or consisting of semen
   "seminal fluid" 
2. Containing seeds of later development
   "seminal ideas of one discipline can influence the growth of another"
   - germinal, originative

See also: original, semen

• antiaircraft
• antiaircraft fire
• antiaircraft gun
• antialias
• antialiasing
• antianxiety agent
• antianxiety drug
• antiapartheid
• antiarrhythmic
• antiarrhythmic drug
• antiarrhythmic medication
• antiauthoritarian
• antibacterial
• antibacterial drug
• antiballistic missile
• antibaryon
• antiberiberi factor
• antibiosis
• antibiotic
• antibiotic drug
• antiblack
• antibody
• antic
• anticancer
• anticatalyst