extinction

US /ɪkˈstɪŋkʃən/

UK /ɪkˈstɪŋkʃn/

B1
n. (c./u.)Noun (Countable/Uncountable)When every example of animal, plant is dead
We are studying the extinction of animals
n. (c./u.)Noun (Countable/Uncountable)The process of something ceasing to exist or be active.
The extinction of the fire was due to lack of oxygen.
n. (c./u.)Noun (Countable/Uncountable)The termination or cancellation of something, such as a right or obligation.
The extinction of his rights occurred when he was convicted of the crime.

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