sine qua non Definition in the Cambridge English Dictionary
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Definition of “sine qua non” - English Dictionary

Definition of "sine qua non" - British English Dictionary

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sine qua nonnoun [S]

uk   /ˌsɪn.eɪ.kwɑːˈnəʊn/  us   /-ˈnoʊn/ formal
a ​necessarycondition without which something is not ​possible: An ​interest in ​children is a ​sinequanon ofteaching.
(Definition of sine qua non from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "sine qua non" - Business English Dictionary

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sine qua nonnoun [S]

uk   us   formal
something that must be done or ​achieved before anything else is done or ​achieved: sine qua non of sth Aspiring business-school ​students in ​Europe know that fluent English is a sine qua non of ​success.
(Definition of sine qua non from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “sine qua non”
in Chinese (Simplified) 必要条件,必备条件…
in Chinese (Traditional) 必要條件,必備條件…
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