eutectic
/juˈtɛk.tɪk/ adjective, noun
Forms eutectics
- 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.
- adjective (chemistry) 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.”
- noun A material that has the composition of a eutectic mixture or eutectic alloy.
- noun The temperature of the eutectic point.
Etymology
From Ancient Greek εὔτηκτος (eútēktos, “easily melted”), from εὖ (eû, “well”) + τήκω (tḗkō, “to melt”). Coined as an adjective (along with the noun eutexia) by British scientist Frederick Guthrie in 1884.
Webster’s 1913
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “eutectic”, CC BY-SA 4.0. Details