SINE QUA NON


Meaning of SINE QUA NON in English

[ ˌsɪni kwα:'nəʊn , ˌsɪni kweɪ 'nɒn ]

■ noun a thing that is absolutely essential.

Origin

L., lit. '(cause) without which not'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.