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Pronunciation:  pree`sipi'teyshun

WordNet Dictionary
  1. [n]  overly eager speed (and possible carelessness); "he soon regretted his haste"
  2. [n]  an unexpected acceleration or hastening; "he is responsible for the precipitation of his own demise"
  3. [n]  the act of casting down or falling headlong from a height
  4. [n]  the falling to earth of any form of water (rain or snow or hail or sleet or mist)
  5. [n]  the process of forming a chemical precipitate
  6. [n]  the quantity of water falling to earth at a specific place within a specified period of time; "the storm brought several inches of precipitation"

PRECIPITATION is a 13 letter word that starts with P.


 Synonyms: downfall, haste, hastiness, hurriedness, hurry
 See Also: abruptness, acceleration, atmospheric condition, chemical action, chemical change, chemical process, diamond dust, drop, fall, fastness, fine spray, frost mist, frost snow, hail, ice crystal, ice needle, indefinite quantity, poudrin, precipitance, precipitancy, precipitateness, rain, rainfall, sleet, snow, snow mist, snowfall, speed, suddenness, swiftness, virga, weather, weather condition



Webster's 1913 Dictionary
  1. \Pre*cip`i*ta"tion\, n. (Meteor.)
    A deposit on the earth of hail, mist, rain, sleet, or snow;
    also, the quantity of water deposited.
    Note: Deposits of dew, fog, and frost are not regarded by the
          United States Weather Bureau as precipitation. Sleet
          and snow are melted, and the record of precipitation
          shows the depth of the horizontal layers of water in
          hundredths of an inch or in millimeters.
  2. \Pre*cip`i*ta"tion\, n. [L. praecipitatio: cf. F.
    1. The act of precipitating, or the state of being
       precipitated, or thrown headlong.
             In peril of precipitation From off rock Tarpeian.
    2. A falling, flowing, or rushing downward with violence and
             The hurry, precipitation, and rapid motion of the
             water, returning . . . towards the sea. --Woodward.
    3. Great hurry; rash, tumultuous haste; impetuosity. ``The
       precipitation of inexperience.'' --Rambler.
    4. (Chem.) The act or process of precipitating from a
Biology Dictionary
    1. The process of a solid settling out of a solution, or the sum of the settled particles.
    2. Rain, snow, hail, etc.
    3. In immunology, a reaction between a soluble antibody and a solid antigen, which forms a material that precipitates out of the antibody-antigen solution.
  1. Discharge of atmospheric moisture as rain, snow or hail, measured in depth of fall or in terms of intensity of fall in unit time.
Thesaurus Terms
 Related Terms: abruptness, air speed, alacrity, alluvion, alluvium, ash, blood rain, carelessness, celerity, cinder, clinker, deposit, deposition, deposits, desperateness, devil-may-careness, diluvium, dispatch, downcast, downpour, downthrow, draff, dregs, drizzle, dross, ember, evening mist, expedition, expeditiousness, fall, fastness, feces, feverishness, flight, flit, flurry, forwardness, froth, furiousness, gout of rain, ground speed, grounds, hail, haste, hastiness, heedlessness, hotheadedness, hurriedness, hurry, impatience, impetuosity, impetuousness, impulse, impulsiveness, instantaneousness, knots, lees, lightning speed, loess, miles per hour, mist, misty rain, mizzle, moisture, moraine, offscum, overeagerness, overenthusiasm, overhastiness, overthrow, overturn, overzealousness, patter, pitter-patter, precipitance, precipitancy, precipitate, precipitateness, precipitousness, precociousness, precocity, prematureness, prematurity, promptitude, promptness, quickness, rain, raindrop, rainfall, rainwater, rapidity, rashness, recklessness, round pace, rpm, rush, scoria, Scotch mist, scum, sediment, sedimentation, settlings, sheet of rain, shower, showers, silt, sinter, slag, sleet, smut, snappiness, snow, snowfall, soot, speed, speediness, splatter, sprinkle, sublimate, suddenness, swift rate, swiftness, unfrozen hydrometeor, untimeliness, velocity, wantonness, wet, wildness