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A liquid mixture of two or more substances that boils at a constant characteristic temperature lower or higher than any of its components and that retains the same composition in the vapor state as in the liquid state.
[a- + Greek zein, to boil; see zeolite + Greek -tropos, turning; see -tropous.]
a′ze·o·trop′ic (ā′zē-ə-trŏp′ĭk, -trō′pĭk) adj.
a′ze·ot′ro·py (-ŏt′rə-pē) n.
the existence of azeotropesthe state of having or being an azeotrope