barcode
US /ˈbɑːr.koʊd/
UK /ˈbɑːr.koʊd/

1.
code-barres
a machine-readable code consisting of numbers and a pattern of parallel lines of varying widths, printed on and identifying a product.
:
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The cashier scanned the barcode on the item.
La caissière a scanné le code-barres sur l'article.
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Every product in the store has a unique barcode.
Chaque produit du magasin a un code-barres unique.