HFO

English

Noun

HFO (countable and uncountable, plural HFOs)

  1. Initialism of heavy fuel oil.
    Hypernyms: FO, fuel oil < oil, fuel
    Coordinate terms: DFO, HHO
  2. Initialism of hydrofluoroolefin.
  3. Initialism of high-frequency oscillation.
  4. Initialism of hands-free orgasm.