noun
substance; entity; actual existence
Refers to something as a real existing thing or substance, rather than an idea, appearance, or name only. In more technical or philosophical contexts it can mean an entity or underlying subject.
幽霊には実体がないと言う人もいる。
Some people say that ghosts have no physical substance.
データベース
In a database, a customer is treated as a single entity.
noun
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.
その会社には資本も社員もなく、実体がなかった。
The company had no capital or employees, and lacked any real substance.
制度はあるが、実体が伴っていない。
The system exists, but it has no real content behind it.
noun
true form; true nature; essence
Used for the real nature or form of something that was hidden, unclear, or only partly understood. Common with verbs such as 明らかになる, つかむ, and 調べる.
調査で組織の実体が明らかになった。
The investigation revealed the true nature of the organization.
彼らの活動の実体はまだ分かっていない。
The real nature of their activities is still unknown.