Is It Radiuses or Radii?

The plural of radius is radii."

Is there a word radiuses?

The plural form of radius is radii or radiuses.

Whats the plural for radius?

noun. ra·​di·​us | \ ˈrā-dē-əs \ plural radii\ ˈrā-​dē-​ˌī \ also radiuses.

Robert Thorne

Robert Thorne

Automotive & Future Transportation Editor

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.