unextinction

plural unextinctions

1. countableuncountablebiologyThe process of bringing an extinct species back into existence.

   "Pteranodon party, their evolution cycle is up on Xirdneh, in celebration of their unextinction there's a savior-class carrier chartered, and with this coupon we can chose two Gaeapod clones of our preference to be sacrificed to the initial pteranodon brood!" […]

   2005, Whispered Worlds, page 185

   Synonyms: de-extinction

1. rareuncountableLack or absence of extinction.

   A knowing subject may, on one hand, show complete unextinction, continue to give a conditioned reaction despite numerous non-reinforcements or he may, on the other hand, show immediate extinction and withhold a conditioned reaction despite hundreds of reinforcements.

   1960, Benjamin B. Wolman, Contemporary Theories and Systems in Psychology, page 163