消失

1. Origins, structure, and basic meaning

• Structure: 消失 (しょうしつ) is an action noun for existing data, color, or form disappearing or being lost.
• Basic usage: データが消失した reports unsaved information lost in a power failure, while 色の消失が見られる observes pigment loss in part of a mural.

2. Common pitfalls and similar expressions

• Data loss and pigment loss
  • データが消失する concerns digital information, whereas 色の消失 concerns a visual element. The latter does not say the entire mural vanished.