no longer active; extinguished; the extinction of the volcano'
no longer in existence; the extinction of a species
[ Syn: defunctness ]
the reduction of the intensity of radiation as a consequence of absorption and radiation
complete annihilation; they think a meteor cause the extinction of the dinosaurs
[ Syn: extermination ]
a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
[ Syn: experimental extinction ]
the act of extinguishing; causing to stop burning; the extinction of the lights
[ Syn: extinguishing , quenching ]