Untertagebau

== German == === Alternative forms === Untertagbau (southern) === Etymology === Equivalent to unter Tage +‎ Bau or unter +‎ Tagebau. === Pronunciation === === Noun === Untertagebau m (strong, genitive Untertagebaus, plural Untertagebaue) (deep) underground mining Antonym: Tagebau ==== Declension ==== === Further reading === “Untertagebau” in Duden online