Dictionary
extinction
noun ex·tinc·tion \ik-ˈstiŋ(k)-shən\
: the state or situation that results when something (such as a plant or animal species) has died out completely
Full Definition of EXTINCTION
1
: the act of making extinct or causing to be extinguished
2
: the condition or fact of being extinct or extinguished; also : the process of becoming extinct <extinction of a species>
3
: the process of eliminating or reducing a conditioned response by not reinforcing it
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First Known Use of EXTINCTION
15th century
Related to EXTINCTION
- Synonyms
- annihilation, decimation, demolishment, demolition, desolation, devastation, extermination, destruction, havoc, loss, mincemeat, obliteration, ruin, ruination, wastage, wreckage
- Antonyms
- building, construction, erection, raising
EXTINCTION Defined for Kids
extinction
noun ex·tinc·tion \ik-ˈstiŋk-shən\
Definition of EXTINCTION for Kids
: the state of being, becoming, or making extinct
Medical Dictionary
extinction
noun ex·tinc·tion \ik-ˈstiŋ(k)-shən\
Medical Definition of EXTINCTION
1
: the process of becoming extinct <the extinction of a species>; also : the condition or fact of being extinct
2
: the process of eliminating or reducing a conditioned response by not reinforcing it
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