multi-alphabetcode
nounUK /ˌmʌltiˈælfəbɛt kəʊd/
US /ˌmʌltiˈælfəbɛt koʊd/
A multi-alphabetcode is a secret code that uses more than one set of letters or symbols to hide a message.
The spies wrote their note in a multi-alphabetcode so nobody could read it.
RELATED WORDS
OTHER MEANINGS
2. A system in computing that encodes data using several different character sets at once.
The program used a multi-alphabetcode to store text in many languages.
3. A puzzle or game where players must switch between different letter systems to solve it.
The escape room challenge was a multi-alphabetcode that took us an hour to crack.
4. A way of writing that mixes letters, numbers, and symbols to keep information private.
Her diary was written in a multi-alphabetcode only she could understand.