1. The science which treats of the precipitation of rain, snow, etc

Derived forms: hyetologies

• autumnal equinox
• autunite
• Auvergne
• auxesis
• auxetic
• auxiliary
• auxiliary airfield
• auxiliary boiler
• auxiliary cell
• auxiliary engine
• auxiliary equipment
• auxiliary operation
• auxiliary pump
• auxiliary research submarine
• auxiliary storage
• auxiliary verb
• auxin
• auxinic
• Av
• avadavat
• Avahi
• Avahi laniger
• avail
• availability
• available