spherical
- Having the shape of a sphere; round in three dimensions. adjectiveThe Earth is not a perfect sphere, but it is approximately spherical.The spherical design of the lamp allows light to be distributed evenly in all directions.
- Pertaining to or involving spheres or the geometry of spheres. adjectiveThe spherical coordinates are often used in physics to describe the positions of points in three-dimensional space.Spherical trigonometry is a branch of geometry that deals with the relationships between angles and distances on the surface of a sphere.