La carte-clé
Example: Pour entrer, il faut utiliser la carte-clé à la porte.
Definition
"La carte-clé" is a security card used to gain access through locked doors, typically in hotels or secure buildings. It functions as an electronic key that grants entry when inserted or scanned at the door.
Etymology
The term "la carte-clé" combines the French words 'carte' meaning card and 'clé' meaning key. It reflects the card's function as a key in card form, replacing traditional metal keys with a more modern, electronic alternative.
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"La carte-clé" appears in the Vocaplus list "French - Security - (A1-C2) - set 1", containing 110 commonly used words.
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