noun |
adj |
verb |
adv |
(noun) quenching, extinguishing
the act of extinguishing; causing to stop burning
the extinction of the lights
(noun) experimental extinction
a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
(noun) extermination
complete annihilation
they think a meteor cause the extinction of the dinosaurs
(noun) defunctness
no longer in existence
the extinction of a species