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carbonium ion

[kahr-boh-nee-uh m]
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noun
  1. an organic ion containing a positively charged carbon atom (opposed to carbanion).
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Origin of carbonium ion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for carbonium ion

carbonium ion

noun
  1. chem a positively charged organic ion in which most of the positive charge is localized on a carbon atomCompare carbanion
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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