Obsolescence is the state of being no longer needed because something newer or more efficient has been invented.
The aircraft was nearing ~ by early 1942.
N-UNCOUNT
Obsolescence is the state of being no longer needed because something newer or more efficient has been invented.
The aircraft was nearing ~ by early 1942.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012