Read the dictionary definition of extinction. All definitions for this word.
1. the act of extinguishing; causing to stop burning
1. the extinction of the lights
2. a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
3. complete annihilation
1. they think a meteor cause the extinction of the dinosaurs
4. the reduction of the intensity of radiation as a consequence of absorption and radiation
5. no longer in existence
1. the extinction of a species
6. no longer active; extinguished
1. the extinction of the volcano
