| extinction |
no longer in existence; "the extinction of a species" no longer active; extinguished; "the extinction of the volcano" the reduction of the intensity of radiation as a consequence of absorption and radiation complete annihilation; "they think a meteor cause the extinction of the dinosaurs" a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus the act of extinguishing; causing to stop burning; "the extinction of the lights"
출처: wordnet.princeton.edu/perl/webwn
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| extinction |
In biology and ecology, extinction is the ceasing of existence of a species or group of taxons. The moment of extinction is generally considered to be the death of the last individual of that species. Extinction is a natural phenomenon; it is estimated that 99.9% of all species that have ever lived are now extinct. ...
출처: en.wikipedia.org/wiki/Extinction
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| extinction |
The irrevocable elimination of species; can be a normal process of the natural world as species out-compete or kill off others or as environmental conditions change.
출처: highered.mcgraw-hill.com/sites/0070294267/student_...
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| extinction |
(Sometimes called attenuation.) The removal of radiant energy from an incident beam by the processes of absorption and/or scattering.
출처: amsglossary.allenpress.com/glossary/browse
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| extinction |
The irreversible condition of a species or other group of organisms of having no living representatives in the wild, which follows the death of the last surviving individual of that species or group. Extinction may occur on a local or global level; it can result from various human activities, including the destruction of habitats or the overexploitation of species that are hunted or harvested as a resource.
출처: www.fao.org/docrep/003/X3910E/X3910E08.htm
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