cipher:1
noun14th century{ds||1|a|}
- zero
- one that has no weight, worth, or influence : nonentity
- a method of transforming a text in order to conceal its meaning
cipher:2
verb
cipher
\
circa 1530{ds|i|||}
- to use figures in a mathematical process
- encipher
- to compute arithmetically
cypher
cy*pher
\
substitution cipher
noun
substitution cipher
\
1936
- a cipher in which the letters of the plaintext are systematically replaced by substitute letters
transposition cipher
noun
transposition cipher
\
1939
- a cipher in which the letters of the plaintext are systematically rearranged into another sequence
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