It depends on what the base is meant to be similar to!
An elliptical base is a base that is shaped like a flattened circle. This is most common on objects that are cone shaped.
A pig's heart is shaped quite similar to a human's heart: a rough conical shape with the great vessels coming out of the base.
It is shaped as a diamond.
the base of a cone is a circle you dumb nut
there is no" hexagon" shaped base, there is home plate which is a pentagon.
Yes it is similar looking.
columnar : where the base is shorter than the height cuboidal:base and height are similar columnar : where the base is shorter than the height cuboidal:base and height are similar columnar : where the base is shorter than the height cuboidal:base and height are similar columnar : where the base is shorter than the height cuboidal:base and height are similar columnar : where the base is shorter than the height cuboidal:base and height are similar columnar : where the base is shorter than the height cuboidal:base and height are similar
A pizza base is the dough created and shaped into a thin disc as the foundation of a pizza.
IDFK
3D trapezoid
Japanese Empress Tree or Paulownia tomentosa
Spherical is the adjective meaning ball-shaped. Globular is another possible adjective with a similar meaning.