词源 |
Teflon n.commercially important synthetic polymer, 1945, proprietary name registered in U.S. by du Pont, from chemical name (poly)te(tra)fl(uoroethylene) + arbitrary ending -on; popularized as a coating of non-stick pans in 1960s; metaphoric extension, especially in reference to U.S. President Ronald Reagan, is attested from an Aug. 2, 1983, speech on the floor of Congress by Pat Schroeder. updated on October 10, 2017 |