megastructure

[ meg-uh-struhk-cher ]

noun

1. a very large, usually high-rise building or a complex of such buildings used for many purposes, as for apartments, offices, stores, theaters, and athletic facilities.
2. a very large, complex organization.

Word History and Origins

Origin of megastructure¹

First recorded in 1960–65; mega- + structure

Example Sentences

When encapsulating a star with a megastructure, the star may experience feedback of its own energy.

From Singularity Hub 

We are already trying to detect possible megastructures in space using the dimming of a star and the glow of megastructure components in infrared light.

From Singularity Hub