dematerialize

verb (used with or without object), de·ma·te·ri·al·ized, de·ma·te·ri·al·iz·ing.

1. to deprive of or lose material character.

verb (intr)

1. to cease to have material existence, as in science fiction or spiritualism
2. to disappear without trace; vanish

v.

1884; see de- + materialize. Related: Dematerialized; dematerializing.