Dictionary

extinction

n.
1.no longer in existence
2.no longer active
3.the reduction of the intensity of radiation as a consequence of absorption and radiation
4.complete annihilation
5.a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
6.the act of extinguishing

Word of the Day

Daily English Quiz

General English Quiz is daily dose of question and answers to keep your language knowledge conversant.

English Test

English Test question and answers to keep your language knowledge up-to-date.

English Grammar Test

English Grammar Test is an application to help you enhance your English expertise.

posttraumatic epilepsy

Idiom of the Day

sign on with (someone)

to sign an agreement to work with or for someone

My cousin has signed on with one of the largest companies in the world.

My Account / Test History

Fact
Average number of eggs laid by the female American Oyster per year: 500 million. Usually only one oyster out of the bunch reaches maturity. .. More >>