1. A gold coin of the Byzantine Empire; widely circulated in Europe in the Middle Ages
   "The museum's collection included several well-preserved solidi";
   - bezant, bezzant, byzant
    
2. [Brit, Cdn] A punctuation mark ('/') used to separate related items of information
   "The menu listed the price as '$10/person' using a solidus";
   - slash, virgule, diagonal, stroke, separatrix, oblique [Brit]
    
3. (physics and chemistry) the line on a phase diagram indicating the temperature below which a substance is solid
   "The researcher carefully examined the solidus on the phase diagram"

Derived forms: solidi

Type of: coin, punctuation, punctuation mark [Brit]

Encyclopedia: Solidus