adjective Date: circa 1909 of or relating to operation or to an operation , of, relating to, or based on operations, 3. of, engaged in, or connected with execution of military or naval operations in campaign or battle, ready for or in condition to undertake a destined function, ~ly adverb
OPERATIONAL
Meaning of OPERATIONAL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012