Try Our Apps
Dictionary.com

follow Dictionary.com

2017 Word of the Year

substitution cipher

noun, Cryptography.
1.
a cipher that replaces letters of the plain text with another set of letters or symbols.
Origin of substitution cipher
1935-1940
First recorded in 1935-40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for substitution cipher
Historical Examples

Word of the Day

Nearby words for substitution cipher

Word Value for substitution

14
18
Scrabble Words With Friends