a. [ Gr. e'y`thktos easily melted; e'y^ well + th`kein to melt. ] (Physics) Of maximum fusibility; -- said of an alloy or mixture which has the lowest melting point which it is possible to obtain by the combination of the given components. [ Webster 1913 Suppl. ]
n. a mixture of substances having a composition providing the minimum melting point ofr mixtures of those substances. Called also a eutectic mixture. Syn. -- eutectic mixture. [ WordNet 1.5 ]