ex
tinc
tion
Plural
extinctions
1
a situation in which a particular animal or plant no longer exists
Synonyms:
2
the act of extinguishing; causing to stop burning
Synonyms:
3
a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
Synonyms:
4
complete annihilation
Synonyms:
5
the reduction of the intensity of radiation as a consequence of absorption and radiation
6
no longer active; extinguished