unmixingn.
/(ˌ)ʌnˈmɪksɪŋ/, U.S. /ˌənˈmɪksɪŋ/ The process by which the components of a mixture are separated or become separate.
ΘΚΠ
the world > relative properties > wholeness > mutual relation of parts to whole > separation > [noun] > making or becoming unmixed
unmixing1860
1860 Revision Statutes Iowa cviii. 455 The judge can make a lumping decision without any unmixing of facts and law.
1974 Nature 9 Aug. 480/1 To avoid any appreciable unmixing occurring on cooling, the sample was rapidly removed.
2003 R. Münz & R. Ohliger Diasporas & Ethnic Migrants iii. 39 Ethnic unmixing and ethnic homogenization did not affect all minorities to the same extent.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online March 2022).
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n.1860