Noun

• S: (n) precipitation (the quantity of water falling to earth at a specific place within a specified period of time) "the storm brought several inches of precipitation"
• S: (n) precipitation (the process of forming a chemical precipitate)
• S: (n) precipitation, downfall (the falling to earth of any form of water (rain or snow or hail or sleet or mist))
• S: (n) precipitation (the act of casting down or falling headlong from a height)
• S: (n) precipitation (an unexpected acceleration or hastening) "he is responsible for the precipitation of his own demise"
• S: (n) haste, hastiness, hurry, hurriedness, precipitation (overly eager speed (and possible carelessness)) "he soon regretted his haste"