sine qua non

英語（米国） (en-US) 英語（イギリス） (en-GB)

IPA（発音記号）

/ˌsaɪnɪ kweɪ ˈnɒn/

名詞

An essential or indispensable element, condition, or ingredient.

日本語の意味

絶対不可欠な要素 / 不可欠な条件 / なくてはならない成分

英語の意味

An essential or indispensable element, condition, or ingredient.

このボタンはなに？

In any successful negotiation, trust is the sine qua non that allows both parties to reach a fair agreement.

どんな成功する交渉においても、信頼は双方が公正な合意に達するために欠かせない要素です。

詳細

意味（1）

An essential or indispensable element, condition, or ingredient.

it is hardly likely he would have found any one so singularly interesting and fascinating as Margarita Riccardini; for the striking and animated beauty of her father was softened and relieved by that peculiar something, half modesty, and half pride, which is the characteristic of English loveliness, and which every Englishman requires as a sine qua non ere he resigns himself to a bondage it is the habit of his nature, or the result of his privileges, to admit reluctantly.

詳細

sine qua nons （ plural ）

sine quibus non （ plural ）