BrownÂ·iÂ·an motion. n. The random movement of microscopic particles suspended in a liquid or gas, caused by collisions with molecules of the surrounding medium. Also called Brownian movement. [After Robert Brown .].rownian motion-the random motion of small particles suspended in a gas or liquid. Brownian movement, pedesis. motion, movement-a natural event that involves a change in the position or location of something. 1  Facebook.
Fullerton, CA Police patch. The Fullerton Police Department of Fullerton, California, was established in 1904 when the city incorporated. The Fullerton Police Department currently employs 153 sworn officers and 78 civilian employees.
The Fullerton Police Department is now hiring for Police Officer Trainee and Lateral Police Officer positions. We are accepting applications until August 7th at 11:59 PM for the position of Police Officer Trainee.