| 单词 | extinction |
| 释义 | Word Frequency extinction(ɪkˈstɪŋkʃən) or extincture (ɪksˈtɪŋktʃə) noun 1. the act of making extinct or the state of being extinct 2. the act of extinguishing or the state of being extinguished 3. complete destruction; annihilation 4. physics reduction of the intensity of radiation as a result of absorption or scattering by matter 5. 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 6. psychology a process in which the frequency or intensity of a learned response is decreased as a result of reinforcement being withdrawn Compare habituation |
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