extinction process
1Extinction — [ thumb|The Dodo, shown here in a 1651 illustration by Jan Savery, is an often cited example of modern extinction.cite book | last = Diamond | first = Jared | authorlink = Jared Diamond | title = Guns, Germs, and Steel | publisher = date = 1999|… …
2Extinction (disambiguation) — Extinction or extinct may refer to:In science:* In the physical sciences, extinction is another word for the attenuation of radiation by absorption and/or scattering. ** Extinction coefficient, a measure of how well a material attenuates… …
3Extinction event — …
4extinction — ► NOUN ▪ the state or process of being or becoming extinct …
5extinction — /ik stingk sheuhn/, n. 1. the act of extinguishing. 2. the fact or condition of being extinguished or extinct. 3. suppression; abolition; annihilation: the extinction of an army. 4. Biol. the act or process of becoming extinct; a coming to an end …
6extinction — 1. In behavior modification or classical or operant conditioning, a progressive decrease in the frequency of a response that is not positively reinforced; the withdrawal of reinforcers known to maintain an undesirable behavior. See conditioning.… …
7extinction — noun (U) 1 a situation in which a particular kind of animal, plant etc no longer exists: Conservationists are trying to save the whale from extinction. | face extinction/be threatened with extinction: Many endangered species now face extinction.… …
8extinction — /əkˈstɪŋkʃən/ (say uhk stingkshuhn), /ɛk / (say ek ) noun 1. the act of extinguishing. 2. the fact of being extinguished; condition of being extinct. 3. suppression; abolition; annihilation. 4. Biology a becoming extinct; a coming to an end or… …
9extinction — 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… …
10extinction — ex•tinc•tion [[t]ɪkˈstɪŋk ʃən[/t]] n. 1) the act of extinguishing 2) bio the state of being extinguished or extinct 3) bio the act or process of becoming extinct: the extinction of a species[/ex] 4) psl the reduction or loss of a conditioned… …
