Both Uses

precipitation
in
Oliver Twist
(Auto-generated)

Sikes dismounted with great precipitation, holding Oliver by the hand all the while; and lifting him down directly, bestowed a furious look upon him, and rapped the side-pocket with his fist, in a significant manner.†
Chpt 21 *
With these words, he suddenly wheeled the table aside, and pulling an iron ring in the boarding, threw back a large trap-door which opened close at Mr. Bumble's feet, and caused that gentleman to retire several paces backward, with great precipitation.†
Chpt 38

Definitions:

(1) (precipitation)
rain, snow, hail, or sleet
(2) (meaning too rare to warrant focus)
In chemistry, precipitation is the process of a solid forming from a solution. Precipitation can also be a noun referring to an unexpected acceleration or hastening; or can refer to throwing down or falling from a height.