1. Based in theory rather than experiment
   "theory-based arguments and positions"

See also: theoretic, theoretical

• ABM
• Abnaki
• abnegate
• abnegation
• abnegator
• Abney level
• abnormal
• abnormal psychology
• abnormalcy
• abnormality
• abnormally
• Abo
• ABO antibodies
• ABO blood group system
• ABO group
• ABO system
• aboard
• abocclusion
• abode
• abohm
• abolish
• abolishable
• abolisher
• abolishment
• abolition