de·ma·te·ri·al·ize 
(dē′mə-tîrē-ə-līz′)
(dē′mə-tîrē-ə-līz′)v. de·ma·te·ri·al·ized, de·ma·te·ri·al·iz·ing, de·ma·te·ri·al·iz·es
v.tr.
1. To deprive of physical substance; make immaterial: medieval architects' attempts to dematerialize church walls into streams of light.
2. To reduce the amount of material required for (a product or process): dematerialized the semiconductor industry.
3. To convert (records, for example) from paper to digital or electronic form.
v.intr.
To lose physical substance; become immaterial: The dry ice seemed to dematerialize as it sublimated.
de′ma·te′ri·al·i·zation (-ə-lĭ-zāshən) n.