sine qua non

si·ne qua non  (sn kwä nn, nn, sn, kw)

n.

An essential element or condition: "The perfect cake is the sine qua non of the carefully planned modern wedding" J.M. Hilary.

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[Late Latin sine qu (caus) nn, without which (cause) not : Latin sine, without + Latin qu, ablative of qu, which, what, who + Latin nn, not.]

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sine qua non [sin-ay kwah non]

Noun

an essential requirement [Latin, literally: without which not]

Thesaurus

Noun

1.

sine qua non - a prerequisite essential condition prerequisite, requirement - something that is required in advance; "Latin was a prerequisite for admission"

Translations

sine qua non [sɪnɪkwɑːˈnɔn] n → unerlässliche Voraussetzung f