Associations to the word «Extinction»


EXTINCTION, noun. The action of making or becoming extinct; annihilation.
EXTINCTION, noun. (astronomy) The absorption or scattering of electromagnetic radiation emitted by astronomical objects by intervening dust and gas before it reaches the observer.

Dictionary definition

EXTINCTION, noun. No longer active; extinguished; "the extinction of the volcano".
EXTINCTION, noun. No longer in existence; "the extinction of a species".
EXTINCTION, noun. The reduction of the intensity of radiation as a consequence of absorption and radiation.
EXTINCTION, noun. Complete annihilation; "they think a meteor cause the extinction of the dinosaurs".
EXTINCTION, noun. A conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus.
EXTINCTION, noun. The act of extinguishing; causing to stop burning; "the extinction of the lights".

Wise words

Man is a creature who lives not upon bread alone, but principally by catch words.
Robert Louis Stevenson