eutectic /juˈtɛk.tɪk/adjective 2noun 2forms 1 adjective2 •Describing the chemical composition or temperature of a mixture of substances that gives the lowest temperature at which the mixture becomes fully molten. A further requirement is that that temperature is lower than the melting point of any of the pure component substances. •Describing the thermodynamic equilibrium conditions where a liquid coexists with two solid phases.For a mixture with two components at a fixed pressure, the eutectic reaction can only happen at a fixed chemical composition and temperature, called the eutectic point. noun2 •A material that has the composition of a eutectic mixture or eutectic alloy. •The temperature of the eutectic point. formseutectics
