HFO
Appearance
English
[edit]Noun
[edit]HFO (countable and uncountable, plural HFOs)
- Initialism of heavy fuel oil.
- Initialism of hydrofluoroolefin.
- Initialism of high-frequency oscillation.
- Initialism of hands-free orgasm.
HFO (countable and uncountable, plural HFOs)