cipher

• Nom désignant un système d'écriture secret ou codé, un code ou une méthode de chiffrement de l'information, ainsi que le message ainsi codé.

A noun referring to a secret or disguised way of writing, a code, or a method of encrypting information.

1. Secret codeB2formal

   A system of secret writing or a method of encoding messages to keep them private.

   chiffre secret

   • The spy used a complex cipher to send messages.
   • They cracked the enemy's cipher during the war.
   • Modern encryption is based on advanced ciphers.

   Synonymescodecryptogramcryptographcryptographysecret writing

2. Zero or nothingC1formal

   The mathematical symbol 0; a person or thing of no importance.

   Zéro ou rien

   • In ancient times, the cipher was a revolutionary concept in mathematics.
   • He felt like a cipher in the large corporation.
   • The number 10 contains a cipher in the units place.

   Synonymesaughtnadanaughtnilnobodynonentitynothingnoughtnullityzerozilchzip

   Antonymescelebritypersonagesomebodysomeonesomething

3. MonogramC2formalbritish

   A combination of letters, especially initials, used as a decorative design.

   Chiffre (monogramme)

   • The royal cipher was embroidered on the flag.
   • She had a silver bracelet engraved with her cipher.
   • The document bore the cipher of the king.

   Synonymesdevicemonogram

• Verbe désignant l'action de convertir un texte clair en une forme codée ou chiffrée, ou d'effectuer des calculs mathématiques.

A verb used to indicate the act of converting plain text into a coded or encrypted form, or performing mathematical calculations.

1. Encode or encryptC1formal

   To convert information into a secret code or cipher to prevent unauthorized access.

   Chiffrer (encoder en secret)

   • The spy ciphered the message before sending it.
   • They ciphered the data to protect it from hackers.
   • The ancient text was ciphered using a complex algorithm.

   Synonymescodeencipherencodeencryptscramble

   Antonymesdecipherdecodedecrypt

2. Calculate or computeC2formal

   To perform mathematical calculations, often in an archaic sense.

   Calculer, compter

   • The mathematician ciphered the complex equation with ease.
   • He ciphered the total cost of the project in his head.
   • The accountant ciphered the annual budget meticulously.

   Synonymescalculatecomputeenumeratefigurereckontallywork out