出典:Wiktionary
出典:『Wiktionary』 (2026/01/12 14:01 UTC 版)
Chiefly a calque of Russian оперативное окружение (operativnoje okruženije). In frequent use since the beginning of the Russo-Ukrainian war, but already before most usage seems to have been in reference to Russia and the Soviet Union.
operational encirclement (countable and uncountable, plural operational encirclements)