1. Rain containing acids that form in the atmosphere when industrial gas emissions (especially sulphur dioxide and nitrogen oxides) combine with water
   - acid precipitation

Derived forms: acid rains

Type of: air pollution

Encyclopedia: Acid rain

• actinic ray
• actinide
• actinide series
• Actinidia
• Actinidia arguta
• Actinidia chinensis
• Actinidia deliciosa
• Actinidia polygama
• Actinidiaceae
• Actiniopteris
• actinism
• actinium
• actinoid
• actinolite
• Actinomeris
• Actinomeris alternifolia
• actinometer
• actinometric
• actinometrical
• actinometry
• actinomorphic
• actinomorphous
• actinomyces
• Actinomycetaceae
• actinomycetal