An essential condition; a thing that is absolutely necessary: grammar and usage are the sine qua non of language teaching and learning
More example sentences
- The study subjects obviously are the sine qua nons of a clinical trial.
- Adopt these strategies for putting the sine qua non of job search success - networking - to the test.
- Clearly the first of two sine qua nons is to be able to express one calculated column in terms of another.
Latin, literally '(cause) without which not'.
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For editors and proofreaders
Syllabification: si·ne qua non
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