Student Dictionary

2 entries found for cipher.
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Main Entry: 1ci·pher
Pronunciation: primarystresssimacr-fschwar
Function: noun
Etymology: Middle English cipher "zero," from Latin cifra (same meaning), from Arabic sifr "empty"
1 : the symbol 0 meaning the absence of all magnitude or quantity : ZERO -- see NUMBER table
2 a : a method of changing a message so as to conceal its meaning b : a message in code

Pronunciation Symbols