mining

(noun) the act of extracting ores or coal etc from the earth. Synonyms: excavation.

(noun) laying explosive mines in concealed places to destroy enemy personnel and equipment. Synonyms: minelaying.

(verb) get from the earth by excavation. Synonyms: mine. Example: "Mine ores and metals."

(verb) lay mines. Synonyms: mine. Example: "The vietnamese mined cambodia."