Noun
extinction event (plural extinction events)
(evolutionary theory, geology) Synonym of mass extinction
Life had always been chancy. And now life had found ways of surviving the ultimate extinction event. In new oceans and on strange lands, evolution had begun again. But it had nothing to do with mankind. Stephen Baxter
Well lose more species of plants and animals between 2000 and 2065 than weve lost in the last 65 million years. If we dont find answers to these problems, were gonna be victims of this extinction event that were at fault for. Paul Watson
The future of humanity is going to bifurcate in two directions: Either it's going to become multiplanetary, or it's going to remain confined to one planet and eventually there's going to be an extinction event. Elon Musk