extinction
[ ik-stingk-shuh n ]
/ ɪkˈstɪŋk ʃən /
noun
Origin of extinction
OTHER WORDS FROM extinction
non·ex·tinc·tion, noun pre·ex·tinc·tion, noun self-ex·tinc·tion, nounWords nearby extinction
exteroceptor,
exterofective,
exterritorial,
extima,
extinct,
extinction,
extinctive,
extine,
extinguish,
extinguishant,
extinguisher
Example sentences from the Web for extinction
British Dictionary definitions for extinction
extinction
/ (ɪkˈstɪŋkʃən) /
noun
the act of making extinct or the state of being extinct
the act of extinguishing or the state of being extinguished
complete destruction; annihilation
physics
reduction of the intensity of radiation as a result of absorption or scattering by matter
astronomy
the dimming of light from a celestial body as it passes through an absorbing or scattering medium, such as the earth's atmosphere or interstellar dust
psychol
a process in which the frequency or intensity of a learned response is decreased as a result of reinforcement being withdrawn
Compare habituation
Medical definitions for extinction
extinction
[ ĭk-stĭngk′shən ]
n.
Progressive reduction in the strength of the conditioned response in successive conditioning trials during which only the conditioned stimulus is presented and the unconditioned stimulus is omitted.
absorbance
Scientific definitions for extinction
extinction
[ ĭk-stĭngk′shən ]
The fact of being extinct or the process of becoming extinct. See more at background extinction mass extinction.
A progressive decrease in the strength of a conditioned response, often resulting in its elimination, because of withdrawal of a specific stimulus.
Cultural definitions for extinction
notes for extinction
The
fossil record tells us that 99.9 percent of all species that ever lived are now extinct.