substitution cipher
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noun Cryptography.
a cipher that replaces letters of the plain text with another set of letters or symbols.
QUIZZES
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Compare transposition cipher.
Origin of substitution cipher
First recorded in 1935–40
Words nearby substitution cipher
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021