Extinction Events In History

noun the state or process of being or becoming extinct; the act of extinguishing or putting an end to something

• The extinction of certain species is a major concern for conservationists.
• I heard that the panda bears are facing extinction.
• Dude, if we don't start recycling, we're gonna be in danger of extinction.
• The extinction of traditional values is evident in today's society.

noun a widespread and rapid decrease in the biodiversity on Earth, often caused by catastrophic events

• The mass extinction event wiped out a large percentage of the Earth's species.
• Dude, did you know about the mass extinction that happened millions of years ago?
• That mass extinction was like the ultimate wipeout for the dinosaurs.
• The economic recession caused a mass extinction of small businesses in the area.