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.
1 Featured. 2  The Colton Police Department began the K-9 program in the 1970s and currently employs one German Shepherd and one Czech Shepherd.