carbon paper
US /ˈkɑːr.bən ˌpeɪ.pər/
UK /ˈkɑːr.bən ˌpeɪ.pər/

1.
papel carbono
a thin paper coated with a waxy pigment, used for making a copy of a document as it is being written or typed
:
•
She used carbon paper to make a duplicate of the invoice.
Ela usou papel carbono para fazer uma cópia da fatura.
•
Old typewriters often required carbon paper for copies.
Máquinas de escrever antigas frequentemente exigiam papel carbono para cópias.