eutectic \eu*tec"tic\ ([=u]*t[e^]k"t[i^]k), 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.]
eutectic \eutectic\ ([=u]*t[e^]k"t[i^]k), 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]