PIX - technical definition

(1) A brand name for security appliances from Cisco. See Cisco PIX firewall.

(2) (Photographic Information EXchange) A Web site of the U.S. Department of Energy that contains pictures related to energy efficiency and the research work of the National Renewable Energy Laboratory.. For more information, visit www.nrel.gov/data/pix.

(3) Slang for "picture."