1. Noun.  The one or single occasion; the present reason or purpose (now only in ''for the nonce'').
  2. Noun.  (lexicography) A nonce word.
  3. Noun.  (computing) A number, usually generated randomly or from the time, used once in a cryptographic protocol, to prevent replay attacks.
  4. Adjective.  denoting something occurring once. .
  5. Noun.  (British, slang) A sex offender, ''especially'' of children; a paedophile.
  6. Noun.  (British, slang) A stupid or worthless person.
  7. Noun.  (cryptography) A datum constructed so as to be unique to a particular message in a stream, in order to prevent replay attacks.
  8. Noun.  (cryptography) In a security engineering context, a value used only once.

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This entry was last updated on RefTopia from its source on 3/20/2012.