Definition of mining noun from the Oxford Advanced American Dictionary

 

mining

 noun
noun
NAmE//ˈmaɪnɪŋ//
 
[uncountable]
 
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the process of getting coal and other minerals from under the ground; the industry involved in this coal/diamond/gold/tin mining a mining company/community/engineer Mining is prohibited in the national park. see also mine, placer mining
See the Oxford Advanced Learner's Dictionary entry: mining