carbonium ion

[ kahr-boh-nee-uhm ]

noun

1. an organic ion containing a positively charged carbon atom ( carbanion ).

carbonium ion

/ kɑːˈbəʊnɪəm /

noun

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

Word History and Origins

Origin of carbonium ion¹

carbon + -ium