411 REFERENCE · Wiktionary
HHO
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
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en home heating oil en home heating oil.
en heating oil<id:Q912452> < fuel oil<id:Q214199> FO<id:Q214199> < oil#Noun ; fuel#Noun
en DFO<id:Q38423> diesel<id:Q38423><qq:usually interchangeable combustibly, but not legally>