materialism

Concise Oxford English Dictionary © 2008 Oxford University Press:
materialism/məˈtɪəriəlɪzəm/

▶noun

• 1 a tendency to consider material possessions and physical comfort as more important than spiritual values.

• 2 Philosophy the doctrine that nothing exists except matter and its movements and modifications.

– derivatives
materialist noun & adjective,
materialistic adjective,
materialistically adverb.