Dilithium is a homonuclear diatomic molecule, Li2, found in the gas phase. Dilithium, Li2 is a Diatomic molecule comprising two Lithium Atoms covalently bonded together
Dilithium may also refer to:
- Dilithium (Star Trek), a fictional chemical element in the Star Trek franchise. In the Star Trek universe, dilithium is a fictional Chemical element, although the name also applies to a real-world molecule.
- The Dilithium Crystal, a rock formation in Owens River Gorge, California.
- Dilithium crystals, the most valuable gemstone in the computer game NetHack. NetHack is a single-player Roguelike computer game originally released in 1987. They are white, and are as soft as worthless glass.
- Dilithium, the fuel that powers the Jupiter 42 in the science-fiction comedy satire Tripping the Rift. Tripping the Rift is a CGI Science fiction Comedy Television series