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Definition 2024


eutectic

eutectic

English

Adjective

eutectic (not comparable)

  1. 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.
  2. (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.

Translations

Noun

eutectic (plural eutectics)

  1. A material that has the composition of an eutectic mixture or eutectic alloy
  2. The temperature of the eutectic point

Translations

Usage notes

  • Use with the indefinite article is mixed. The dominant usage seems to favour "a eutectic", although "an eutectic" can be found in some texts.

References

  • The Oxford English Dictionary