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eutectic
This term is primarily used in materials science, chemistry, and metallurgy. It describes a specific thermodynamic state where a mixture of substances behaves as a single unit during phase transitions, melting or freezing at a constant temperature. This is distinct from most mixtures, which melt over a range of temperatures.
When used as a noun, it refers to the specific composition of the mixture that achieves this minimum melting point. In industrial applications, such as soldering or casting, achieving a eutectic composition is highly desirable because it ensures a sharp, uniform transition from liquid to solid, preventing the formation of undesirable slushy phases.
Meanings
Examples
The mixture reached its eutectic composition and solidified instantly.
We need to find the eutectic temperature for this specific binary system.
Is this alloy a eutectic or a peritectic system?
Is this alloy a eutectic or a peritectic system?
The eutectic reaction occurs when the liquid phase transforms into two solid phases.
I wonder if a eutectic mixture would lower the freezing point enough to prevent icing.
The solder must be a eutectic to ensure a sharp melting point during assembly.
A eutectic point is the lowest temperature at which the liquid phase is stable.
The sample shows a characteristic eutectic microstructure under the microscope.
The sample shows a characteristic eutectic microstructure under the microscope.