1. Of or relating to the philosophical study of causation
   - etiological [N. Amer], etiologic [N. Amer], aetiological [Brit, Cdn] 
2. Relating to the aetiology of a disease
   - etiological [N. Amer], etiologic [N. Amer], aetiological [Brit, Cdn]

See also: aetiology [Brit, Cdn]

• Allen screw
• Allen Stewart Konigsberg
• Allen Tate
• Allen wrench
• Allentown
• allergen
• allergenic
• allergic
• allergic eczema
• allergic reaction
• allergic rhinitis
• allergist
• allergology
• allergy
• allergy diet
• alleviant
• alleviate
• alleviated
• alleviation
• alleviative
• alleviator
• alleviatory
• alley
• alley cat
• alleyway