alkyl cation

https://doi.org/10.1351/goldbook.12329
Even-electron positively charged saturated hydrocarbon ion containing no aromatic groups, a special case of carbenium ions.
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1521 [Terms] [Paper]