- trademark polytetrafluoroethylene, a plastic used as a non-stick coating on articles such as saucepans
- A chemically-resistant, waterproof, and heat-tolerant fluorocarbon-based resin with an extremely low coefficient of friction. It has a self-lubricating effect which makes it ideally suited for use in bearings and joints. Its other applications include its use for electrical and thermal insulation. Also known as tetrafluoroethylene, tetrafluoroethylene resin, or polytetrafluoroethylene.
- synonymtetrafluoroethylene resin
- trademark a synthetic polymer injected into the joints of the larynx to increase movement and help hoarseness of voice