monoalphabetic substitution

[ mon-oh-al-fuh-bet-ik suhb-sti-too-shuhn, mon-oh- ]
/ ˈmɒn oʊˌæl fəˈbɛt ɪk ˌsʌb stɪˈtu ʃən, 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.

QUIZZES

GEE WHILLIKERS! WAIT TILL YOU SEE THIS WORD OF THE DAY QUIZ!

Do you remember all the words from last week, September 21–27, 2020? Then this quiz should be butyraceous.
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What does “yare” mean?

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. 2020