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disproportionation

[dis-pruh-pawr-shuh-ney-shuh n, -pohr-] /ˌdɪs prəˌpɔr ʃəˈneɪ ʃən, -ˌpoʊr-/
noun, Chemistry
1.
the simultaneous oxidation and reduction of a substance reacting with itself, thereby forming two dissimilar molecules, as 2C 2 H 4 →C 2 H 6 +C 2 H 2 .
Origin
1925-1930
1925-30; disproportion + -ation
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for disproportionation
  • The observation of propane and pentanes suggests that disproportionation also occurred.
British Dictionary definitions for disproportionation

disproportionation

/ˌdɪsprəˌpɔːʃəˈneɪʃən/
noun
1.
a reaction between two identical molecules in which one is reduced and the other oxidized
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
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