Until there's evidence to the contrary, the materialist world is the only world there is, you can simply call it the world as calling it the materialist world is redundant.
Materialism has ample evidence to support it; dualism has no good evidence, it is therefore dualism that is on trial, not materialism.
Materialism has ample evidence to support it; dualism has no good evidence, it is therefore dualism that is on trial, not materialism.