substitution cipher

noun Cryptography.

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

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anchorite
a granular metamorphic rock.
a person who has retired to a solitary place for a life of religious seclusion.
a hobble or fetter for a horse or other animal.
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Compare transposition cipher.

Origin of substitution cipher

First recorded in 1935–40

Words nearby substitution cipher

substation, substernal goiter, substituent, substitute, substitution, substitution cipher, substitution product, substitution reaction, substitution therapy, substitution transfusion, substitutive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020