1. to cause to lose material form or substance; to make immaterial or non-physical
Usage: chiefly British spelling (American: dematerialize); often used in philosophical, spiritual, or science fiction contexts
2. to disappear or vanish, especially suddenly or mysteriously
Usage: informal or literary use

Examples

• In the science fiction novel, the spacecraft began to dematerialise as it entered the wormhole.
• The ghost seemed to dematerialise into thin air before the witnesses could react.
• Some spiritual traditions believe the soul dematerialises at death.
• The magician made the coin dematerialise from his closed fist.
• As the sun rose, the morning mist dematerialised over the valley.
• The philosopher argued that consciousness cannot dematerialise into pure energy.