azeotropes

/əˈziːəˌtroʊps/
noun
  1. Plural of azeotrope; mixtures of liquids that boil at a constant composition.
    • Many industrial processes must account for azeotropes when separating chemicals.
    • The textbook explained how azeotropes behave differently from ordinary mixtures.
    • Azeotropes can make purification challenging in the lab.
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