noun great hurry; rash, tumultuous haste; impetuosity.
2. precipitation ·noun the act or process of precipitating from a solution.
3. precipitation ·noun a falling, flowing, or rushing downward with violence and rapidity.
4. precipitation ·noun the act of precipitating, or the state of being precipitated, or thrown headlong.
5. precipitation ·add. ·noun a deposit on the earth of hail, mist, rain, sleet, or snow; also, the quantity of water deposited.