plural of carbocation

(chemistry) any cation containing an excess positive charge on one or more carbon atoms

(mineralogy) Any of a group of poorly-defined minerals containing rare earth elements

plural of carbocer

plural of bridged carbocation

(chemistry) Any carbenium ion in which the positive charge is distributed amongst two or more carbon atoms, and the structure is best represented by one in which a hydrogen atom, or hydrocarbon residue, bridges these carbon atoms.