extinction

/ɪkstˈɪŋkʃən/ · 3 syllables

Meaning

noun

1. no longer active; extinguished
   “the extinction of the volcano”
2. no longer in existence
   “the extinction of a species”
3. the reduction of the intensity of radiation as a consequence of absorption and radiation
4. complete annihilation
   “they think a meteor cause the extinction of the dinosaurs”
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; causing to stop burning
   “the extinction of the lights”

Synonyms for extinction

• defunctness
• extermination
• experimental extinction
• extinguishing
• quenching

Words that rhyme with extinction

• distinction