D20
From Wikipedia, the free encyclopedia
D20 may refer to:
- d20 system, a system for role-playing games
- d20, a twenty-sided polyhedral die
- Arriflex D-20, a film-style digital high definition movie camera
- D20, a diffractometer located at Institut Laue-Langevin used in neutron research.
- Heavy water, or deuterium oxide (D2O or 2H2O)