It is volume.
A cube
The general term is a hexahedron. If the six faces are all equal squares, then you can also call it a cube.
A square pyramid.If you would like to be abstruse you could call it the first Johnson solid (a non-uniform convex polyhedron).
What is a solid shape
I would call it "no change".
For items that are solid we call them...solid, liquid....we call liquid and gas...gas! Hope that helps, David
cool solid rock
Solid water is called ice.
Water is called ice when frozen solid.
A substance that conducts electricity is a conductor. There is no special name for one that is solid; if you need to specify that it is solid, just call it a "solid conductor".
sublimation
torus
For items that are solid we call them...solid, liquid....we call liquid and gas...gas! Hope that helps, David
When a solid suddenly appears when you mix liquids (or gases), you call it a precipitate.
A "Solid" Used in a sentence: Will you do me a solid for a ten?
A solid without a defined crystal structure is amorphous.