the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); "communications is his major field of study"
a telecommunication system that transmits images of objects (stationary or moving) between distant points
broadcasting visual images of stationary or moving objects; "she is a star of screen and video"; "Television is a medium because it is neither rare nor well done" - Ernie Kovacs
an ornamental scroll-shaped bracket (especially one used to support a wall fixture); "the bust of Napoleon stood on a console"
a scientific instrument consisting of displays and an input device that an operator can use to monitor and control a system (especially a computer system)
(biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems)
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return; "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee"