From Late Latin solidus (“an imperial gold coin, in Medieval Latin applied to various coins, also any piece of money”).
Wikipedia solidus (plural solidi or soliduses)
- The line between the numerator and the denominator of a fraction.
- A forward slash or virgule.
- A late Roman gold coin (after 3rd Century CE); a bezant.
- (chemistry, physics) a line, in a phase diagram, below which a given substance is a stable solid and above which solid and liquid are in equilibrium
See also 
External links 
- solidus in The Century Dictionary, The Century Co., New York, 1911
- solidus at OneLook Dictionary Search
solidus m (feminine solida, neuter solidum); first/second declension
solidus (genitive solidī); m, second declension
- (Post-Augustan) a gold coin (aureus)
- solidus in Charlton T. Lewis & Charles Short, A Latin Dictionary, Oxford: Clarendon Press, 1879
- solid in The Century Dictionary, The Century Co., New York, 1911