Noun Definition

extinction

1.Definition: a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus

Category: General

2.Definition: complete annihilation

"They think a meteor cause the extinction of the dinosaurs"

Related Noun(s):extermination

Category: General

3.Definition: no longer active; extinguished

"The extinction of the volcano"

Category: General

4.Definition: no longer in existence

"The extinction of a species"

Related Noun(s):defunctness

Category: General

5.Definition: the act of extinguishing; causing to stop burning

"The extinction of the lights"

Category: General

6.Definition: the reduction of the intensity of radiation as a consequence of absorption and radiation

Category: General