Meaning of postfix in English:

postfix

Pronunciation /pəʊs(t)ˈfɪks/ /ˈpəʊs(t)fɪks/

verb

[with object]
  • 1Biology
    Treat (a biological substance or specimen) with a second fixative.

  • 2Linguistics
    Append as a suffix.

noun

Linguistics
  • An element added to the end of a word; a suffix.