nonce

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[edit] English

[edit] Etymology 1

From a misdivision in Middle English of þan anes (the one (occasion, instance)).

[edit] Pronunciation

[edit] Noun

Singular
nonce

Plural
nonces

nonce (plural nonces)

  1. The one or single occasion; the present reason or purpose (now only in for the nonce).
    Unsourced:
    • That will do for the nonce, but we'll need a better answer for the long term.
    1857, Anthony Trollope, Barchester Towers, chapter 6:
    • 'Idiot!' exclaimed the doctor, who for the nonce was not capable of more than such spasmodic attempts at utterance.
  2. (lexicography) A nonce word.
    I had thought that the term was a nonce, but it seems as if it's been picked up by other authors.
  3. (British, slang, pejorative) A sex offender, especially of children; a paedophile.
    That bloke who lives at number 53A is a nonce!
  4. (British, slang) A stupid or worthless person.
[edit] Translations
[edit] Derived terms

[edit] Etymology 2

Abbreviation of number used once.

[edit] Noun

Singular
nonce

Plural
nonces

nonce (plural nonces)

  1. (cryptography) A datum constructed so as to be unique to a particular message in a stream, in order to prevent replay attacks.
    In this protocol we use the serial number of the message as a nonce.
  2. (cryptography) In a security engineering context, a value used only once.
    • 1999, Network Working Group, RFC 2617 -- HTTP Authentication: Basic and Digest Access Authentication, The Internet Society, page 22,
      The information gained by the eavesdropper would permit a replay attack, but only with a request for the same document, and even that may be limited by the server's choice of nonce.

[edit] French

[edit] Pronunciation

[edit] Noun

nonce m. (plural nonces)

  1. nuncio