iminyl radicals

https://doi.org/10.1351/goldbook.I02965
Radicals having the structure $\ce{R2C=N^{.}}$. A contraction of alkaniminyl radicals, e.g. $\ce{CH3–CH=N^{.}}$, ethaniminyl. A synonymous term is alkylideneaminyl radicals.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1343 [Terms] [Paper]