1.
Materialism is the attitude of someone who attaches a lot of importance to money and wants to possess a lot of material things.
...the rising consumer ~ in society at large.
N-UNCOUNT
materialist (materialists)
Leo is a materialist, living for life’s little luxuries.
N-COUNT
2.
Materialism is the belief that only physical matter exists, and that there is no spiritual world.
N-UNCOUNT