oxygen catastrophe

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

French: catastrophe de l’oxygène / crise de l’oxygène

specific event in Earth's past

Chinese:
Mandarin: 大氧化事件 (Dà Yǎnghuà Shìjiàn)
French: Catastrophe de l’oxygène / Crise de l’oxygène, Grande oxydation / Grande Oxydation / Grande oxygénation / Grande Oxygénation