"precipitation" in the noun sense
1. 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"
2. precipitation
the process of forming a chemical precipitate
3. precipitation, downfall
the falling to earth of any form of water (rain or snow or hail or sleet or mist)
4. precipitation
the act of casting down or falling headlong from a height
5. precipitation
an unexpected acceleration or hastening
"he is responsible for the precipitation of his own demise"
6. haste, hastiness, hurry, hurriedness, precipitation
overly eager speed (and possible carelessness
"he soon regretted his haste"
Source: WordNet® (An amazing lexical database of English)
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