The point where the weight of an object appears to be concentrated, usually near its middle.

Cars with a high center of gravity are more likely to topple over when they go round corners.

The NASA launch site on Merritt Island, near Cape Canaveral, Florida, used for Apollo and space-shuttle launches.

The first flight to land on the moon (1969) and Skylab, the first orbiting laboratory (1973), were launched from here.

With electricity, a geographical area in which large amounts of plower are drawn by end users.