monoalphabetic substitution
[ mon-oh-al-fuh-bet-ik, mon-oh- ]
/ ˈmɒn oʊˌæl fəˈbɛt ɪk, ˌmɒn oʊ- /
noun Cryptography.
a system of substitution that uses only one cipher alphabet in a cryptogram so that each plaintext letter is always represented by the same cipher.
Compare
polyalphabetic substitution.
Origin of monoalphabetic substitution
1935–40;
mono- +
alphabetic
Words nearby monoalphabetic substitution
monnion,
mono,
mono-,
monoacetin,
monoacid,
monoalphabetic substitution,
monoamide,
monoamine,
monoamine oxidase,
monoamine oxidase inhibitor,
monoaminergic