spherical
adj.adj. shaped like a ball or a globe. You use this to describe something that is perfectly round in three dimensions.
adj. having the form of a sphere; relating to or resembling a three-dimensional globe. Often used in scientific contexts to describe objects with uniform curvature.
The earth is not a perfect spherical shape.
The scientist observed small, spherical bubbles forming on the surface of the liquid during the experiment.
In many physics problems, complex objects are treated as spherical masses to simplify the initial calculations of gravitational pull and orbital mechanics.
English spheric [from Latin sphaericus, from Ancient Greek σφαιρικός (sphairikós)] + -al.
Typically used attributively before a noun; often modified by adverbs like 'perfectly' or 'nearly'.