Meanings
oxygen holocaust1
nounoxygen holocaust (plural oxygen holocausts)
plural oxygen holocausts
- Synonym of oxygen catastrophe.
Synonyms: oxygen catastrophe
Oxygen Holocaust2
proper nounthe Oxygen Holocaust
- Synonym of Great Oxygenation Event.
Synonyms: Great Oxygenation Event
Synonyms & antonyms
nounSynonym of oxygen catastrophe.
Similar
proper nounSynonym of Great Oxygenation Event.
Similar
Cite this entry
APA
oxygen holocaust. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/oxygen%20holocaust
MLA
“oxygen holocaust.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/oxygen%20holocaust. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “oxygen holocaust,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/oxygen%20holocaust.
Source: oxygen holocaust on Wiktionary, CC BY-SA 4.0.