| 释义 | 
		Noun: precipitation  pri`sipu'teyshun- The quantity of water falling to earth at a specific place within a specified period of time
 "the storm brought several inches of precipitation"  - The process of forming a chemical precipitate 
 - The falling to earth of any form of water (rain or snow or hail or sleet or mist)
  - downfall  - The act of casting down or falling headlong from a height 
 - An unexpected acceleration or hastening
 "he is responsible for the precipitation of his own demise"  - Overly eager speed (and possible carelessness)
  - haste, hastiness, hurry, hurriedness 
 Derived forms: precipitations See also: precipitate Type of: acceleration, atmospheric condition, chemical action, chemical change, chemical process, conditions, drop, fall, fastness, indefinite quantity, speed, swiftness, weather, weather condition Encyclopedia: Precipitation  |