immaterialize
/ˌɪməˈtɪərɪəlʌɪz/(also immaterialise)
verb
1 [with object] To render or conceive of as immaterial or incorporeal.
2 [no object] To become immaterial; to disappear.
Origin
Early 18th century; earliest use found in Thomas Ken (1637–1711), bishop of Bath and Wells and nonjuror. From immaterial + -ize.