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1 extinction

No longer active; extinguished.

Roget 162: destruction; waste, dissolution, breaking up; diruption, disruption; consumption; disorganization.    fall, downfall, devastation, ruin, perdition, crash; ... show more

Roget 421: darkness etc. adj., absence of light; blackness etc. (dark color) 431; obscurity, gloom, murk; dusk etc. (dimness) ... show more

Roget 2: inexistence; nonexistence, nonsubsistence; nonentity, nil; negativeness etc. adj.; nullity; nihility, nihilism; tabula rasa [Lat.], blank; abeyance; ... show more

Roget 552: obliteration; erasure, rasure; cancel, cancellation; circumduction; deletion, blot; tabula rasa [Lat.]; effacement, extinction.   

2 extinction

No longer in existence:
— The extinction of a species.

synonym: defunctness.

Polish: wymarcie

3 extinction

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

Dutch: extinctie
Polish: ekstynkcja

4 extinction

Complete annihilation:
— They think a meteor cause the extinction of the dinosaurs.

synonym: extermination.

Roget 67: end, close, termination; desinence, conclusion, finis, finale, period, term, terminus, endpoint, last, omega; extreme, ... show more

5 extinction

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

synonym: experimental extinction.

6 extinction

The act of extinguishing; causing to stop burning:
— The extinction of the lights.

synonyms: extinguishing, quenching.

Dutch: harden, schrikken

Moby thesaurus: abolishment, abolition, abscission, amputation, annihilation, annulment, bane, biological death, blackout, blocking, burning out, burnout, cessation of life, choking, choking off, clinical death, controlling, crossing the bar, curtains, damping ... show more.

Find more on extinction elsewhere: etymology - rhymes - Wikipedia.

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