English Dictionary

potato radius

noun

(informal, astronomy) The radius of a celestial body when it is long enough to allow gravity to transform the body into a globe, typically estimated at approximately 300 kilometres.

The potato was so big that its radius was impressive.

意味（1）

(informal, astronomy) The radius of a celestial body when it is long enough to allow gravity to transform the body into a globe, typically estimated at approximately 300 kilometres.