In chemistry, relating to or describing a mixture of substances that has the lowest possible melting point among all possible combinations.
From Greek eu- (good, well) and ekhein (to melt), literally 'melting well.' The term was coined in the 19th century to describe the special proportions in metallic and chemical mixtures.
A eutectic alloy melts at a lower temperature than either of its pure ingredients—this is why adding salt to ice makes it even colder, and it's the same principle ice cream makers use when freezing cream.
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