Reading
Shortcuts
Home
All Articles
Read from Another Site
Sources
Wikipedia
Simple Wikipedia
VOA Learning English
Futurity
The Conversation
MIT News
Harvard Gazette
Cambridge News
YDS/YÖKDİL Passages
Topics
Technology
Engineering
Business
Economics
Human
Health
Energy
Biology
Nature
Space
Log in
Sign up
History
Add
sine qua non
noun
[ ˌsɪni kwɑː ˈnəʊn ]
• an essential condition; a thing that is absolutely necessary.
• "grammar and usage are the sine qua non of language teaching and learning"
Origin:
Latin, literally ‘(cause) without which not’.
