英和和英

名詞

unextinction (countable and uncountable, plural unextinctions)

1. (biology) The process of bringing an extinct species back into existence.

   Synonym: de-extinction

   • 2005, Whispered Worlds, page 185:

     "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!" […]

関連する語

• unextinct

語源 2

From un- (lack of) +‎ extinction.

名詞

unextinction (uncountable)

1. (rare) Lack or absence of extinction.
   • 1960, Benjamin B. Wolman, Contemporary Theories and Systems in Psychology, page 163:

     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.