Some people say that ghosts have no physical substance.
In a database, a customer is treated as a single entity.
real substance; actual content; reality behind appearances
Often used when asking whether something has concrete content, operations, assets, or substance behind its outward form, as in 実体がない or 実体を伴う.
The company had no capital or employees, and lacked any real substance.
The system exists, but it has no real content behind it.
This company is a paper company that exists in name only, with no real substance.
It took several years for the true nature of the incident to come to light.
The plan was announced without any real substance behind it.
The reporter kept investigating in order to grasp the true nature of the organization.
substantialism