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teflon

Today it means: Multiple film, resin, coatings, fabric and surface protectors made with PTFE (polytetrafluoroethylene) or fluoropolymer and surfactants not made with PTFE. Full definition →

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teflon · noun, adjective¹

Genericization of trademark Teflon.

Teflon · proper noun, noun, adjective²

Trade name, 1940s. From the first letters of tetra- (“four”) + fluoro- (“fluorine”) + -on modeled after nylon etc. From the fluorine count of polytetrafluoroethylene.

Etymology from Wiktionary, CC BY-SA 4.0.