Definition of Nafion in English:

Nafion

noun

Chemistry
  • A trademark for: a perfluorinated polymer containing sulphonic acid groups, used especially as a selectively permeable ion-exchange membrane and as a catalyst for some organic syntheses.

Origin

1970s; earliest use found in The Official Gazette. Perhaps from Na- + -fi- + -on.

Pronunciation

Nafion

/ˈnafɪən//ˈnafɪɒn/