extinction
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.ex·tinc·tion
noun \ik-ˈstiŋ(k)-shən\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
See Examples of EXTINCTION
- the extinction of all life in the region
- the extinction of many old traditions
- Mass extinctions of prehistoric animals are known to have occurred.
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
ex·tinc·tion
noun \ik-ˈstiŋ(k)-shən\ (Medical Dictionary)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
Learn More About EXTINCTION
Browse
Next Word in the Dictionary: extinction angle
Previous Word in the Dictionary: extincteur
All Words Near: extinction
Previous Word in the Dictionary: extincteur
All Words Near: extinction
Seen & Heard 
What made you want to look up extinction? Please tell us where you read or heard it (including the quote, if possible).
