HHO

H4H4O1

Initialism of home heating oil.

Similar
DFOdiesel
UncommonScrabble 9
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounHHO (uncountable)
  1. abbreviationinitialismuncountableInitialism of home heating oil.

    Near-synonyms: DFO, diesel (usually interchangeable combustibly, but not legally)

    Synonyms: DFO, diesel

Synonyms & antonyms

Also see
heating oil

Rhymes & wordplay

Anagrams

hoh
Cite this entry
APA

HHO. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/HHO

MLA

“HHO.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/HHO. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “HHO,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/HHO.

Source: HHO on Wiktionary, CC BY-SA 4.0.