extinction has definitions from the fields of psychology,education,physics
1
[ noun ] (psychology,education) a learning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus

Related terms

learning conditioning

2
[ noun ] complete annihilation

Synonyms

extermination

Examples

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

Related terms

annihilation eliminate

3
[ noun ] (physics) the reduction of the intensity of radiation as a consequence of absorption and radiation
4
[ noun ] no longer in existence

Synonyms

defunctness

Examples

"the extinction of a species"

Related terms

death

5
[ noun ] no longer active; extinguished

Examples

"the extinction of the volcano"

Related terms

inaction extinct

6
[ noun ] the act of extinguishing; causing to stop burning

Examples

"the extinction of the lights"

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