parchment
US /ˈpɑːrtʃ.mənt/
UK /ˈpɑːrtʃ.mənt/

1.
pergamena
a stiff, flat, thin material made from the prepared skin of an animal, usually a sheep or goat, and used as a durable writing surface in ancient and medieval times
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Ancient texts were often written on parchment.
Testi antichi erano spesso scritti su pergamena.
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The old map was drawn on a piece of yellowed parchment.
La vecchia mappa era disegnata su un pezzo di pergamena ingiallita.
2.
carta pergamena
a type of paper treated to resemble animal parchment, often used for certificates or decorative purposes
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The certificate was printed on high-quality parchment paper.
Il certificato è stato stampato su carta pergamena di alta qualità.
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She used parchment for her wedding invitations to give them an antique look.
Ha usato la pergamena per i suoi inviti di nozze per dare loro un aspetto antico.