encryptionalphabet
nounUK /ɪnˈkrɪpʃən ˈælfəbɛt/
US /ɛnˈkrɪpʃən ˈælfəbɛt/
A special set of letters used to make secret codes.
The spy used an encryptionalphabet to hide the message.
RELATED WORDS
OTHER MEANINGS
2. The ordered list of symbols a cipher uses to swap letters.
Each encryptionalphabet maps plain letters to scrambled ones.
3. A table that shows how to turn normal text into secret text.
She checked the encryptionalphabet before writing the note.
4. A set of characters used only for making messages unreadable.
The puzzle came with its own encryptionalphabet.