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Meaning of extinction


1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  extinction
      n 1: no longer active; extinguished; "the extinction of the
           volcano"
      2: no longer in existence; "the extinction of a species" [syn:
         {extinction}, {defunctness}]
      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" [syn: {extinction},
         {extermination}]
      5: a conditioning process in which the reinforcer is removed and
         a conditioned response becomes independent of the conditioned
         stimulus [syn: {extinction}, {experimental extinction}]
      6: the act of extinguishing; causing to stop burning; "the
         extinction of the lights" [syn: {extinction},
         {extinguishing}, {quenching}]


WordNet ® Princeton University. http://wordnet.princeton.edu

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