patterned substitution cipher
nounUK /ˈpætənd ˌsʌbstɪˈtjuːʃən ˈsaɪfə/
US /ˈpætərnd ˌsʌbstɪˈtuːʃən ˈsaɪfər/
A secret code that swaps each letter for another letter in a set pattern.
The spy used a patterned substitution cipher to hide the message.
RELATED WORDS
OTHER MEANINGS
2. A cipher where the replacement letters follow a repeating rule or sequence.
The patterned substitution cipher shifted each letter by three places.
3. A puzzle method where symbols stand in for letters according to a fixed pattern.
She solved the patterned substitution cipher in the newspaper puzzle.
4. A way of encoding text by mapping each character to another using a consistent pattern.
The class built a patterned substitution cipher with a key alphabet.