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monoalphabetic substitution

[ mon-oh-al-fuh-bet-ik suhb-sti-too-shuhn, mon-oh- ]
/ ˈmɒn oʊˌæl fəˈbɛt ɪk ˌsʌb stɪˈtu ʃən, ˌmɒn oʊ- /
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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.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of monoalphabetic substitution

1935–40; mono- + alphabetic

Words nearby monoalphabetic substitution

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use monoalphabetic substitution in a sentence

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