QUANTUM Meaning of QUANTUM in English quant|um BrE AmE ˈkwɒnt |əm AmE \ ˈkwɑːn t̬ |əm▷ quant|a ə▶ ˌ quantum ˈ jump BrE AmE▶ ˌ quantum ˈ leap BrE AmE▶ ˌ quantum me ˈ chanics BrE AmE▶ ˈ quantum ˌ theory BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012