Nonce

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English

Noun

nonce

1. The one or single occasion; the present call or purpose; -- chiefly used in the phrase for the nonce.

   That will do for the nonce, but we'll need a better answer for the long term.

2. (lexicography) A word coined for a particular occasion but not necessarily expected to be used again.

   I had thought that the term was a nonce, but it seems like it's been picked up by other authors.

3. (cryptography) A datum constructed so as to be unique to a particular message in a stream, in order to prevent reply attacks.

   In this protocol we use the serial number of the message as a nonce.

4. (British) pedophile