Underground
Underground stands for:
- a space for political action or retreat, which is mostly characterized by illegality and secrecy, see underground movement
- a soil horizon made up of little to unchanged parent rock, see C horizon
- Soil on which a structure is being built or already exists, see building site
- In-situ soil or rock that is not changed by engineering measures, see subsoil (earthworks)
- natural interfering signals when performing physical experiments, see noise (physics)
- an album by the German rappers Frauenarzt and Blokkmonsta (here: as Blokk & Arzt), see underground (album)
See also:
Wiktionary: underground - explanations of meanings, word origins, synonyms, translations