solidus

¹ American  

[sol-i-duhs] / ˈsɒl ɪ dəs /

noun

plural

solidi

1. a gold coin of ancient Rome, introduced by Constantine and continued in the Byzantine Empire; bezant.

2. (in medieval Europe) a money of account equal to 12 denarii.

3. virgule.

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solidus ² American  

[sol-i-duhs] / ˈsɒl ɪ dəs /

noun

Physical Chemistry.

1. (on a graph of temperature versus composition) the curve connecting the temperatures at which a solid solution is in equilibrium with its vapor and with the liquid solution, and therefore connecting melting temperatures of solid solutions.

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solidus British  

/ ˈsɒlɪdəs /

noun

1. a technical name for slash

2. a gold coin of the Byzantine empire

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solidus Scientific  

/ sŏl′ĭ-dəs /

plural

solidi

1. The maximum temperature at which all components of a mixture (such as an alloy) can be in a solid state. Above the solidus some or all of the mixture will be in a liquid state.

2. See illustration at eutectic Compare liquidus

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Etymology

Origin of solidus¹

1350–1400; Middle English < Late Latin solidus ( nummus ) a solid (coin), a gold (coin)

Origin of solidus²

1900–05; < Latin: solid

Example Sentences

Here is a little graphical palate cleanser: we visualized the life cycle of the parasite Schistocephalus solidus, which requires ingestion by a copepod, a fish and a bird—in that order—to survive and reproduce.

From Scientific American • Dec. 14, 2022

The parasitic cestode Schistocephalus solidus requires a much larger host—specifically, a three-spined stickleback fish—to grow in and then a bird to breed in.

From Scientific American • Sep. 29, 2022

The red line is the geothermal gradient and the green solidus line represents the temperature and pressure regime at which melting begins.

From Textbooks • Jan. 1, 2017

Reduced pressure shifts the geotherm to the right of the solidus, causing decompression melting.

From Textbooks • Jan. 1, 2017

Has he not compelled you to give an account of every solidus which you received from the public funds even under the Gothic kings?

From Ravenna, a Study by Hutton, Edward