oxygen catastrophe

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English[edit]

Etymology[edit]

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[edit]

oxygen catastrophe (plural oxygen catastrophes)

  1. (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.
  2. (biology) Such an event that theoretically occurs elsewhere, away from Earth.

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Hyponyms[edit]

(the event on Earth; as specific event and a proper noun):

Coordinate terms[edit]

(the event on Earth; as specific event and a proper noun):

Related terms[edit]

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