In science, ~ is a form of matter whose particles have characteristics and properties opposite to those of ordinary matter. (TECHNICAL)
N-UNCOUNT
In science, ~ is a form of matter whose particles have characteristics and properties opposite to those of ordinary matter. (TECHNICAL)
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012