Precipitation (disambiguation)

Precipitation is any meteorological phenomenon featuring water falling from the clouds, such as rain, snow, or hail.

Precipitation may also refer to:
 * Alkaline precipitation, meteorological precipitation characterized by high alkalinity
 * Precipitation (chemistry), condensation of a solid from a solution during a chemical reaction:
 * Ammonium sulfate precipitation, a method of purifying proteins
 * Precipitation hardening, a method used to strengthen malleable materials
 * Protein precipitation, a method of separating contaminants from biological products
 * For precipitation resulting from the denaturation of proteins, see coagulation
 * Ethanol precipitation, a method of concentrating DNA
 * Precipitation (horse), a racehorse
 * Electron precipitation, an atmospheric phenomenon that occurs when previously trapped electrons enter the Earth's atmosphere