Select the option that can be used as a one-word substitute for the given group of words.

Having a common centre, as circles or spheres

Concentric

The answer is concentric. The other options do not accurately describe the meaning of the given group of words.

• Cylindrical: having the shape of a cylinder, with a circular base and a curved top.
• Elliptical: having the shape of an ellipse, which is a circle that has been stretched out.
• Centrifugal: moving away from the center.

Concentric, on the other hand, means having a common center. It is a term that is often used to describe circles or spheres that share the same center.