Hackathon

//ˈhæ.kə.θɒn// noun, slang

Definitions

Noun
  1. 1
    An event where programmers and others meet for collaborative software development, usually over several days. informal

    "If these are opinions I'm sure that it happens to have something to do with the immense amounts of caffeine and sugar that I've ingested over the course of his 50hr hackathon."

  2. 2
    an event involving a marathon coding session wordnet

Etymology

From hack + -athon.

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