sine qua non(redirected from Condicio sine qua non)
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si·ne qua non(sĭn′ĭ kwä nŏn′, nōn′, sī′nĭ, kwā)
An essential element or condition: "The perfect cake is the sine qua non of the carefully planned modern wedding" (J.M. Hilary).
[Late Latin sine quā (causā) nōn, without which (cause) not : Latin sine, without + Latin quā : feminine ablative of quī, which + Latin nōn, not.]
sine qua non(ˈsaɪnɪ kweɪ ˈnɒn)
(Law) an essential condition or requirement
[literally: without which not]
si•ne qua non(ˈsɪn eɪ kwɑ ˈnoʊn, ˈnɒn, kweɪ)
an indispensable or essential condition, element, or factor.
[1585–95; < Late Latin sine quā(causā) nōn without which (thing) not]
sine qua non
A Latin phrase meaning without which nothing, used to mean something that is absolutely essential.
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|Noun||1.||sine qua non - a prerequisite|