mass extinction
noun
The killing of a great number at once; (Biology ) an episode of extinction involving numerous species or higher taxa.
Origin
1940s; earliest use found in American Sociological Review.
- cryptozoic
- cryptozoological
- cryptozoologist
- cryptozoology
- cryptozoon
- cryptozoön
- cryptozygous
- cry someone/thing up (or down)
- crystal
- crystal axis
- crystal ball
- crystal chemistry
- crystal class
- crystal clear
- crystal clock
- crystal-controlled
- crystal cutter
- crystal detector
- crystal diode
- crystal field
- crystal field theory
- crystal form
- crystal-gaze
- crystal gazer
- crystal-gazing