Verb
1. separate as a fine suspension of solid particles
2. bring about abruptly;
"The crisis precipitated by Russia's revolution"3. fall from clouds;
"rain, snow and sleet were falling""Vesuvius precipitated its fiery, destructive rage on Herculaneum"4. fall vertically, sharply, or headlong;
"Our economy precipitated into complete ruin"5. hurl or throw violently;
"The bridge broke and precipitated the train into the river below"