What is "ellipsoids"

Usage examples of "ellipsoids".

The tallest buildings in Pudong were held up by huge aerostats-vacuumfilled ellipsoids hundreds of stories above street level, much wider than the buildings they supported, and usually covered with lights.

Inside the space frame Hackworth could see aluminum-plated spheres and ellipsoids, no doubt vacuum-filled, containing the mount's machinephase guts: basically some rod logic and an energy source.

Big reaction mass tanks were being eased into cavities along the ship’s central engineering superstructure, dark gray ellipsoids whose internal structure was a honeycomb maze of tiny sacs.