[ lik-wi-duh s ]
/ ˈlɪk wɪ dəs /

noun Physical Chemistry.

(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.
Compare solidus2

Origin of liquidus

From Latin, dating back to 1900–05; see origin at liquid Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for liquidus

Science definitions for liquidus


[ lĭkwĭ-dəs ]

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. See illustration at eutectic. Compare solidus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.