/yooh tek"tik/ , Physical Chem.
adj.
1. of greatest fusibility: said of an alloy or mixture whose melting point is lower than that of any other alloy or mixture of the same ingredients.
2. noting or pertaining to such a mixture or its properties: a eutectic melting point.
n.
3. a eutectic substance.
[ 1880-85; eútekt ( os ) easily melted, dissolved ( eu- EU- + tektós melted) + -IC ]