being in effect or operation; "de facto apartheid is still operational even in the `new' African nations"- Leslie Marmon Silko; "bus service is in operation during the emergency"; "the company had several operating divisions"
of or intended for or involved in military operations
pertaining to a process or series of actions for achieving a result; "operational difficulties"; "they assumed their operational positions"
electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
to prepare verbally, either for written or spoken delivery; "prepare a report"; "prepare a speech"
lead up to and soften by sounding the dissonant note in it as a consonant note in the preceding chord; "prepare the discord in bar 139"
prepare (someone) for a future role or function; "He is grooming his son to become his successor"; "The prince was prepared to become King one day"; "They trained him to be a warrior"