synonyms: carbene metal complexes, carbene–metal complexes
https://doi.org/10.1351/goldbook.M03860
Metal complexes of the type $\ce{R2CML_{n}}$ ($\ce{M}$ = metal, $\ce{L}$ = ligand) in which formally a carbene is coordinated to a metal, e.g.
Source: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1349 [Terms] [Paper]