/ ˌsɪneɪ kwɑː ˈnəʊn; NAmE ˈnoʊn/ noun
[ sing. ] sine qua non (of / for sth) (from Latin , formal ) something that is essential before you can achieve sth else
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WORD ORIGIN
Latin , literally (cause) without which not .
/ ˌsɪneɪ kwɑː ˈnəʊn; NAmE ˈnoʊn/ noun
[ sing. ] sine qua non (of / for sth) (from Latin , formal ) something that is essential before you can achieve sth else
••
WORD ORIGIN
Latin , literally (cause) without which not .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005