Cipher

English Meaning

A character [0] which, standing by itself, expresses nothing, but when placed at the right hand of a whole number, increases its value tenfold.

1. The mathematical symbol (0) denoting absence of quantity; zero.
2. An Arabic numeral or figure; a number.
3. One having no influence or value; a nonentity.
4. A cryptographic system in which units of plain text of regular length, usually letters, are arbitrarily transposed or substituted according to a predetermined code.
5. The key to such a system.
6. A message written or transmitted in such a system.
7. A design combining or interweaving letters or initials; a monogram.
8. To solve problems in arithmetic; calculate. See Synonyms at calculate.
9. To put in secret writing; encode.
10. To solve by means of arithmetic.