[uh-zee-uh-trohp, ey-zee-]

noun Physical Chemistry.

any liquid mixture having constant minimum and maximum boiling points and distilling off without decomposition and in a fixed ratio, as isopropyl alcohol and water.

Origin of azeotrope

1910–15; a-6 + Greek zé(ein) to boil + -o- + -trope
Related formsa·ze·o·trop·ic [ey-zee-uh-trop-ik, -troh-pik] /ˌeɪ zi əˈtrɒp ɪk, -ˈtroʊ pɪk/, adjectivea·ze·ot·ro·py [ey-zee-o-truh-pee] /ˌeɪ ziˈɒ trə pi/, a·ze·ot·ro·pism, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for azeotrope



a mixture of liquids that boils at a constant temperature, at a given pressure, without change of composition
Derived Formsazeotropic (ˌeɪzɪəˈtrɒpɪk), adjective

Word Origin for azeotrope

C20: from a- 1 + zeo-, from Greek zein to boil + -trope
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

azeotrope in Medicine


[ə-zēə-trōp′, āzē-]


A liquid mixture of two or more substances that retains the same composition in the vapor state as in the liquid state when distilled or partially evaporated under a certain pressure.
Related formsa′ze•o•tropic (a′zē-ə-trŏpĭk, -trōpĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.