substitution cipher

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noun Cryptography.

a cipher that replaces letters of the plain text with another set of letters or symbols.

QUIZ

QUIZ YOURSELF ON "IS" VS. "ARE"

"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."

Question 1 of 7

IS and ARE are both forms of which verb?

Origin of substitution cipher

First recorded in 1935–40

Being something of a political cipher may have helped Revels rise to prominence.
The Black Man Who Replaced Jefferson Davis in the Senate|Philip Dray|January 7, 2015|DAILY BEAST
He is a cipher who has reduced his own party to near-cipher status.
Modi Crushes Gandhi in India’s Election Landslide|Tunku Varadarajan|May 16, 2014|DAILY BEAST
The Scientists profusely apologized when I left the table at which they had their Cipher.
Word Is Bond: An Ex-Con Explains the 5 Percenters|Daniel Genis|April 12, 2014|DAILY BEAST
Some of these cutbacks can be achieved through more substitution and incremental steps.
How to Watch Out for Hidden Sugar and Replace With Leaner Substitutes|Diana Le Dean|February 23, 2013|DAILY BEAST

No prize transfer, assignment, or substitution by Winner is permitted.
The Orbitz Business Travel Survey Sweepstakes||December 14, 2012|DAILY BEAST
But as both conceptions are related somehow to the idea of cost, the substitution is never discovered.
The Unsolved Riddle of Social Justice|Stephen Leacock
The figure value of “sew,” therefore equals or is represented by a cipher .
Assimilative Memory|Marcus Dwight Larrowe (AKA Prof. A. Loisette)
This one detail—the substitution of springs for weights—has had a far-reaching effect upon organ music.
The Recent Revolution in Organ Building|George Laing Miller
Koch notes that the reading depriued arose from its substitution for the less familiar form priued.
Chaucer's Works, Volume 1 (of 7) -- Romaunt of the Rose; Minor Poems|Geoffrey Chaucer
A second element of the "accent du Midi" just referred to is the substitution of an open for a close o.
Frdric Mistral|Charles Alfred Downer