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Puffer vs Undefined - What's the difference?

puffer | undefined |

As a noun puffer

is someone or something that puffs.

As an adjective undefined is

lacking a definition or value.

puffer

English

Noun

(en noun)
  • Someone or something that puffs.
  • Any of several poisonous fish, of the family Tetraodontidae , which have the ability to puff themselves up when in danger.
  • (slang) A car left idling to warm up, emitting steam from the rear.
  • (cellular automata) A finite pattern that moves like a spaceship but leaves a trail of debris.
  • A manually-operated inhaler.
  • (childish) A train; a locomotive.
  • (dated, slang) One who is employed by the owner or seller of goods sold at auction to bid up the price; a by-bidder.
    • (Bouvier)
  • The common, or harbour, porpoise.
  • A kier used in dyeing.
  • (glassblowing) A soffietta.

    • Derived terms

    * Clyde puffer * peter puffer

    Synonyms

    * (fish) globefish, pufferfish

    References

    * 'puffer'' (slang), ''The Official Dictionary of Unofficial English: A Crunk Omnibus , by Grant Barrett, McGraw-Hill Professional, 2006, p. 273. [http://books.google.com/books?id=Fn-Sh1nv7pQC&pg=PA273&dq=puffer+police&sig=ACfU3U3zIcQySZXRuy_oaQ1RJJhgvpaPDg]

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined