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English definition of “extraction”

extraction

noun [U]     /ɪkˈstrækʃən/
PRODUCTION, NATURAL RESOURCES the process of removing a substance from the ground or from another substance: The local economy is overwhelmingly dependent on oil and gas extraction. Hard-rock mining refers to the excavation and extraction of hard minerals such as those containing metals such as gold, or gems such as diamonds.
(Definition of extraction noun from the Cambridge Business English Dictionary © Cambridge University Press)
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