n.
1.no longer in existence
2.no longer active
3.the reduction of the intensity of radiation as a consequence of absorption and radiation
4.complete annihilation
5.a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
6.the act of extinguishing
Idiom of the Day
cause tongues to wag
to give people something to gossip or talk about
The woman caused tongues to wag when she came to the party without her husband.