Operational

[ɒpə'reɪʃ(ə)n(ə)l] or ['ɑpə'reʃənl]

Definition

(adj.) 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' .

(adj.) (military) of or intended for or involved in military operations .

(adj.) pertaining to a process or series of actions for achieving a result; 'operational difficulties'; 'they assumed their operational positions' .

Checker: Phelps--From WordNet