das Exponat
exhibit
An object that is publicly shown and displayed in an exhibition, museum, or at a trade fair.
Das wertvollste Exponat der Sammlung ist eine ägyptische Mumie.
The most valuable exhibit in the collection is an Egyptian mummy.

exhibit
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exhibit
An object that is publicly shown and displayed in an exhibition, museum, or at a trade fair.
Das wertvollste Exponat der Sammlung ist eine ägyptische Mumie.
The most valuable exhibit in the collection is an Egyptian mummy.

'Exponat' (exhibit) is an international word that comes from Latin ('exponere' means 'to exhibit', 'to display'). Such words are similar in many European languages and are often easier to learn.
Dieses seltene Exponat wird nur für kurze Zeit gezeigt.
This rare exhibit is being shown only for a short time.
'Exponat' (exhibit) is the official and technically correct term for an object on display in a museum, gallery, or at a trade fair. It is a formal word for this specific context.
Bitte berühren Sie die Exponate im Museum nicht.
Please do not touch the exhibits in the museum.
Common verbs used with 'Exponat' (exhibit) are 'ausstellen' (to exhibit), 'besichtigen' (to view), 'betrachten' (to look at), or 'bewundern' (to admire). Typical adjectives are 'wertvoll' (valuable), 'selten' (rare), 'einzigartig' (unique), or 'historisch' (historical).
Das Museum stellt über 500 Exponate aus der Römerzeit aus.
The museum is exhibiting over 500 exhibits from the Roman period.
loan
'das Exponat' and 'die Leihgabe' can both refer to an object in an exhibition. The difference lies in the point of view. 'Exponat' says: this object is being publicly displayed, for example in a museum or at a trade fair. 'Leihgabe' says: this object belongs to someone else and has only been lent for a certain period of time. So an object can be both an 'Exponat' (exhibit) and a 'Leihgabe' (loan) at the same time. The words can be confused when talking about museums. For the object's role in the exhibition, 'Exponat' fits; for its origin and the fact that it is borrowed, 'Leihgabe' fits.

Das wertvollste Exponat der Ausstellung liegt in einer besonders gesicherten Vitrine.
The most valuable exhibit in the exhibition is in a specially secured display case.
Die Leihgabe aus dem Stadtmuseum muss nach drei Monaten zurückgegeben werden.
The loan from the city museum must be returned after three months.