Medical Definition of BROWNIAN MOTION. : a random movement of microscopic particles suspended in liquids or gases resulting from the impact of molecules of the fluid surrounding the particlesâcalled also Brownian movement.edical Definition of BROWNIAN MOTION. : a random movement of microscopic particles suspended in liquids or gases resulting from the impact of molecules of the fluid surrounding the particlesâcalled also Brownian movement.
The Fresh Prince of Bel-Air is an American sitcom that originally aired on NBC from September 10, 1990, to May 20, 1996.
Story highlights. Actor James Avery, who played the beloved Uncle Phil on the hit 1990s sitcom The Fresh Prince of Bel-Air, has died, his publicist said Wednesday. He was 68. The cause of death was complications from open-heart surgery, said his manager, Toni Benson.