Precipitation (noun)

1. The falling of water droplets or ice crystals from the atmosphere, in the form of rain, snow, sleet, or hail.
2. The process of forming a chemical compound by mixing two substances together, resulting in the solid form of the compound forming and separating out of the mixture.

Origin:

Derived from the latin word "praecipitatio" meaning "a falling" or "a throwing down".

Examples:

1. The forecast called for a chance of precipitation in the afternoon.
2. The mountain receives heavy precipitation during the winter season.
3. The precipitation of solid particles from a solution is known as sedimentation.
4. The precipitation of calcium carbonate in the ocean forms coral reefs.
5. Precipitation is an important part of the water cycle, as it replenishes water sources and helps to maintain the balance of the ecosystem.