Meaning of EXTINCTION in English


Pronunciation: ik- ' sti ŋ (k)-sh ə n

Function: noun

Date: 15th century

1 : the act of making extinct or causing to be extinguished

2 : the condition or fact of being extinct or extinguished also : the process of becoming extinct < extinction of a species>

3 : the process of eliminating or reducing a conditioned response by not reinforcing it

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.