liquidus

American  

[lik-wi-duhs] / ˈlɪk wɪ dəs /

noun

Physical Chemistry.

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

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liquidus Scientific  

/ lĭk′wĭ-dəs /

1. The minimum temperature at which all components of a mixture (such as an alloy) can be in a liquid state. Below the liquidus the mixture will be partly or entirely solid.

2. See illustration at eutectic Compare solidus

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Etymology

Origin of liquidus

From Latin, dating back to 1900–05; see origin at liquid

Example Sentences

See Examples For:

liquidus

The results indicate that the mantle beneath the Kermadec island arc melts in the presence of water and at relatively high temperatures, above the sulfide liquidus.

From Science Daily ● Jul. 29, 2026