eutectic

/juːˈtɛktɪk/
adjective
  1. Describing a mixture of substances that melts or solidifies at a single temperature lower than any of its components.
    • Some solders are eutectic, which helps them flow smoothly and set quickly.
    • In chemistry class, we learned about the eutectic point where the mixture freezes all at once.
    • The eutectic alloy of tin and lead melts at a lower temperature than either metal alone.
noun
  1. A eutectic mixture or alloy.
    • The lab prepared a eutectic of salt and water to study low-temperature reactions.
    • This eutectic is used in fire sprinklers because it melts at a precise temperature.
    • Many industrial coolants are eutectics that remain liquid at very low temperatures.