dematerialization C2+

/diˌmətɪriəˌləˈzeɪʃən/ the process of losing or seeming to lose material form or substance

immaterial C2+

/ˌɪməˈtɪriəl/ unimportant or irrelevant; also, having no physical substance

dematerialize C2+

/ˌdiməˈtɪriəˌlaɪz/ to cease to exist in bodily form; to vanish into nothing