adjective
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.
(chemistry) Describing the thermodynamic equilibrium conditions where a liquid coexists with two solid phases.
noun
A material that has the composition of a eutectic mixture or eutectic alloy.
The temperature of the eutectic point.