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Definition of Extinction in English :

Define Extinction in English

Extinction meaning in English

Meaning of Extinction in English

Pronunciation of Extinction in English

Extinction pronunciation in English

Pronounce Extinction in English

Extinction

see synonyms of extinction

Noun

1. extinction

no longer active; extinguished

Example Sentences:
'the extinction of the volcano'

2. defunctness, extinction

no longer in existence

Example Sentences:
'the extinction of a species'

3. extinction

the reduction of the intensity of radiation as a consequence of absorption and radiation

4. extermination, extinction

complete annihilation

Example Sentences:
'they think a meteor cause the extinction of the dinosaurs'

5. experimental extinction, extinction

a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus

6. extinction, extinguishing, quenching

the act of extinguishing; causing to stop burning

Example Sentences:
'the extinction of the lights'

WordNet Lexical Database for English. Princeton University. 2010.

Extinction

see synonyms of extinction
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a process in which the frequency or intensity of a learned response is decreased as a result of reinforcement being withdrawn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

Collins English Dictionary. Copyright © HarperCollins Publishers

Extinction

see synonyms of extinction
noun
1. 
a putting out or being put out, as of a fire
2. 
a destroying or being destroyed; annihilation; abolition
3. 
the fact or state of being or becoming extinct; dying out, as a species of animal
4.  Physiology and Psychology
the weakening and disappearance of a conditioned response that is no longer being reinforced

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Extinction

see synonyms of extinction
n.
1.
a. The act of extinguishing: The extinction of the fire took several hours.
b. The condition of being extinguished: mourned the extinction of her dreams.
2. The fact of being extinct or the process of becoming extinct: the extinction of the passenger pigeon; languages that are in danger of extinction.
3. Psychology A reduction or a loss in the strength or rate of a conditioned response when the unconditioned stimulus or reinforcement is withheld.
4. Physiology A gradual decrease in the excitability of a nerve to a previously adequate stimulus, usually resulting in total loss of excitability.
5. Astronomy The dimming of celestial objects, usually measured in magnitudes, due to scattering and absorption of their light as it passes through interstellar dust clouds and the earth's atmosphere.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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