oxygen catastrophe
From Wiktionary, the free dictionary
Etymology
From oxygen + catastrophe. From the buildup of environmental oxygen, a toxic compound to the then existing life, causing a die-off of that anerobic life.
Noun
oxygen catastrophe (plural oxygen catastrophes)
- (biology) An event during the oxygenation event of Earth's past, where the level of free oxygen in the environment exceeds the tolerance levels of most extant anerobic life.
- (biology) Such an event that theoretically occurs elsewhere, away from Earth.
Synonyms
Hypernyms
- oxygenation event
Hyponyms
(the event on Earth; as specific event and a proper noun):
- Oxygen Catastrophe
- Oxygen Crisis
- Oxygen Holocaust
- Oxygenation Crisis
- Oxygenation Holocaust
- Oxygenation Catastrophe
Coordinate terms
- oxygen revolution
(the event on Earth; as specific event and a proper noun):
- Oxygen Revolution
- Oxygenation Event
- Great Oxygenation
- Great Oxygenation Event / GOE
Related terms
Translations
generic event
|
specific event in Earth's past
|
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