™ / ˈteflɒn; NAmE / noun , adjective
■ noun
[ U ] a substance used especially to cover the inside of cooking pans, that stops food from sticking to them
■ adjective
( especially of a politician ) still having a good reputation after making a mistake or doing sth that is not legal :
The Teflon Prime Minister has survived another crisis.
For more information see the Cultural Guide
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WORD ORIGIN
1940s: from tetra- four + fluoro + -on on the pattern of words such as nylon and rayon .