intended or adapted to afford protection of some kind; "a protective covering"; "the use of protective masks and equipment"; "protective coatings"; "kept the drunken sailor in protective custody"; "animals with protective coloring"; "protective tariffs"
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"
an artifact (or system of artifacts) that is instrumental in accomplishing some end
the quality of being instrumental for some purpose
a subsidiary organ of government created for a special purpose; "are the judicial instrumentalities of local governments adequate?"; "he studied the French instrumentalities for law enforcement"
standing between or separating two objects or areas; "Paris--where the same city lies on both sides of an intervening river"; "after reaching the top of the hill he looked across an intervening meadow to another line of hills"
occurring or falling between events or points in time; "so much had happened during the intervening years"
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
having finished or arrived at completion; "certain to make history before he's done"; "it's a done deed"; "after the treatment, the patient is through except for follow-up"; "almost through with his studies"