Meanings
nounDFO (uncountable)
- abbreviationinitialismuncountableInitialism of diesel fuel oil.
Near-synonym: HHO (usually interchangeable combustibly, but not legally)
Synonyms: diesel, diesel fuel[Appendix:Glossary, HHO
Synonyms & antonyms
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Rhymes & wordplay
Anagrams
Cite this entry
APA
DFO. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/DFO
MLA
“DFO.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/DFO. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “DFO,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/DFO.
Source: DFO on Wiktionary, CC BY-SA 4.0.