superconglomerate

noun

su·​per·​con·​glom·​er·​ate ˌsü-pər-kən-ˈglä-mə-rət 

-ˈgläm-

plural superconglomerates

: an extremely large and very widely diversified corporation : an especially large conglomerate

… Bayer had lost its independence when it was merged in 1925 into a superconglomerate called IG Farben …

—Peter Lessmann

Word History

First Known Use

1969, in the meaning defined above