organomagnesium

[ awr-guh-noh-mag-nee-zee-uh m, -zhuh m, -shee-uh m, awr-gan-oh- ]
/ ˌɔr gə noʊ mægˈni zi əm, -ʒəm, -ʃi əm, ɔrˌgæn oʊ- /

adjective Chemistry.

pertaining to or noting an organic compound, especially an organic halide, containing magnesium linked to carbon.

Origin of organomagnesium

First recorded in 1900–05; organo- + magnesium