superanoxia
A period during which there was very little free oxygen in the environment, and many…A period during which there was very little free oxygen in the environment, and many organisms became extinct
Meaning
1 senses(uncountable)A period during which there was very little free oxygen in the environment, and many organisms became extinct
Origin
From super- + anoxia.From super- + anoxia.
Wiktionary, CC BY-SA 4.0 · source
Word family
1 related wordsRelatedsuperanoxic
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable