solidus

views updated May 29 2018

sol·i·dus / ˈsälidəs/ • n. (pl. -di / -ˌdī/ ) 1. another term for slash1 (sense 2).2. (also sol·i·dus curve) Chem. a curve in a graph of the temperature and composition of a mixture, below which the substance is entirely solid.3. hist. a gold coin of the later Roman Empire.

solidus

views updated May 08 2018

solidus The position of points marking the boundary between complete solid and liquid/solid at equilibrium, in a temperature—composition diagram. In binary systems the solidus is a straight or curved line, in ternary systems a flat plane or curved surface.

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