Extinction

[neurology] Extinction is a neurological disorder that impairs the ability to perceive multiple stimuli of the same type simultaneously. Extinction is usually caused by damage resulting in lesions on one side of the brain. Those who are affected by extinction have a lack of awareness in the contralesional side of space (towards the left sid...
Found on http://en.wikipedia.org/wiki/Extinction_(neurology)

Extinction

(1) the complete disappearance of a species from the earth (Miller 1991:A5); (2) the total disappearance of a species from an island (this does not preclude later recolonization) (MacArthur and Wilson 1967:187) (cf Extirpation, Local extinction).
Found on http://www.encyclo.co.uk/local/22030

Extinction

[optical mineralogy] Extinction is a term used in optical mineralogy and petrology, which describes when cross-polarized light dims, as viewed through a thin section of a mineral in a petrographic microscope. Isotropic minerals, opaque (metallic) minerals, or amophous materials (glass) show no light (i.e. constant extinction). Anisotropic m...
Found on http://en.wikipedia.org/wiki/Extinction_(optical_mineralogy)

extinction

When all the members of a clade or taxon die, the group is said to be extinct.
Found on http://www.ucmp.berkeley.edu/glossary/glossary_1.html

Extinction

Extinction is the process in which groups of organisms (species) die out.
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Extinction

-LEVEL EVENT An Extinction-Level Event is a catastrophic event (such as a large asteroid or comet hitting the Earth, a large change in the Earth's temperature/sea level, tremendously increased volcanism, etc.) that is capable of causing a mass extinction.
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Extinction

Extinction is when the conditional response no longer occurs i.e. salivating to the sound of a bell alone. To resurrect the CR the re-presentation of the CS and UCS together is again required i.e. Bell and food.
Found on http://www.gerardkeegan.co.uk/glossary/gloss_a.htm

extinction

[n] - no longer active 2. [n] - no longer in existence 3. [n] - the reduction of the intensity of radiation as a consequence of absorption and radiation 4. [n] - complete annihilation 5. [n] - a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus 6...
Found on http://www.webdictionary.co.uk/definition.php?query=extinction

Extinction

The apparent reduction in brightness of a celestial object when it is low in the sky and much of its light is absorbed by Earth's atmosphere.
Found on http://www.encyclo.co.uk/local/20448

Extinction

The attempt to eliminate an undesirable behaviour by ABA methods.
Found on http://www.encyclo.co.uk/local/20540

Extinction

The attenuation of light, the reduction of illuminance of a collimated beam of light as the light passes through a medium wherein absorption and scattering occur.
Found on http://www.diracdelta.co.uk/science/source/e/x/extinction/source.html

extinction

(Of a peerage or baronetcy) no longer existing, because the line of persons in remainder to the title has died out. ...
Found on http://www.encyclo.co.uk/local/20688

Extinction

Disappearance of a taxonomic group of organisms from existence in all regions.
Found on http://www.encyclo.co.uk/local/20945

Extinction

The condition that arises from the death of the last surviving individual of a species, group, or gene, globally or locally.
Found on http://www.blackwellpublishing.com/Townsend/Glossary/GlossaryE.html

Extinction

Ex·tinc'tion noun [ Latin extinctio , exstinction : confer French extinction .] 1. The act of extinguishing or making extinct; a putting an end to; the act of putting out or destroying light, fire, life, activity, influence, etc. 2. State of being extinguished or ...
Found on http://www.encyclo.co.uk/webster/E/96

extinction

1. <ecology> The death of an entire species. ... 2. <psychology> The procedure of presenting the conditioned stimulus without reinforcement to an organism previously conditioned. It refers also to the diminution of a conditioned response resulting from this procedure. ... (27 Jun 1999) ...
Found on http://www.encyclo.co.uk/local/20973

extinction

extermination noun complete annihilation; `they think a meteor cause the extinction of the dinosaurs`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=extinction

extinction

experimental extinction noun a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
Found on http://wordnetweb.princeton.edu/perl/webwn?s=extinction

extinction

noun the reduction of the intensity of radiation as a consequence of absorption and radiation
Found on http://wordnetweb.princeton.edu/perl/webwn?s=extinction

extinction

quenching noun the act of extinguishing; causing to stop burning; `the extinction of the lights`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=extinction

extinction

noun no longer in existence; `the extinction of a species`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=extinction

extinction

(ek-stink´shәn) in psychology, the disappearance of a conditioned response as a result of its not being reinforced; also, the process by which the disappearance is accomplished. See also conditioning.
Found on http://www.encyclo.co.uk/local/21001

Extinction

• (n.) The act of extinguishing or making extinct; a putting an end to; the act of putting out or destroying light, fire, life, activity, influence, etc. • (n.) State of being extinguished or of ceasing to be; destruction; suppression; as, the extinction of life, of a family, of a quarrel, of claim.
Found on http://thinkexist.com/dictionary/meaning/extinction/

Extinction

(from the article `German literature`) ...has fled there to escape trial for Nazi crimes (the figure of the father is modeled on the Nazi doctor Josef Mengele). Auslöschung: ein Zerfall ...
Found on http://www.britannica.com/eb/a-z/e/62

extinction

in biology, the dying out or termination of a race or species. Extinction occurs when a species can no longer reproduce at replacement levels. Most ... [42 related articles]
Found on http://www.britannica.com/eb/a-z/e/62
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