Teflon

Etymology
Trade name, 1940s. From the first letters of, modeled after etc. From the  count of.

Proper noun

 * 1) A brand name of  products, latterly applied to other  products.

Noun

 * 1) Multiple film, resin, coatings, fabric and surface protectors made with PTFE (polytetrafluoroethylene) or fluoropolymer and surfactants not made with PTFE.

Adjective

 * 1)  Having an undamageable reputation (by analogy with nonstick Teflon surfaces).