1. water that falls from clouds in the sky as rain, snow, sleet, or hail
Usage: meteorology
2. the action of doing something too quickly or without careful thought
Usage: formal
3. the process by which a solid substance separates from a liquid solution
Usage: chemistry

Examples

• The weather forecast shows heavy precipitation expected this weekend.
• Annual precipitation in the desert is less than 10 inches.
• His precipitation in making the decision led to serious consequences.
• The committee warned against precipitation in choosing a new leader.
• The chemist observed precipitation when the two solutions were mixed.
• Salt precipitation occurs when seawater evaporates.
• Snow is the most common form of winter precipitation in this region.