- 氟 nounfluorine(bound form) fluorine; the chemical element with atomic number 9, which is a highly reactive and toxic gas
- 化 affixparticle[...-ize]Suffix appearing after nouns or adjectives that expresses a transformation into a certain state or quality, meaning "-ize" or "-ization"
- 作用 nounfunctionthe natural purpose or activity of something, such as a biological or chemical process; often used as a suffix to mean "-ation" or "-ing" as in 消化 plus this word for "digestion"