Definition of hackathon in English:

hackathon

Syllabification: hack·a·thon
Pronunciation: /ˈhakəˌTHän
 
/

noun

informal
  • An event, typically lasting several days, in which a large number of people meet to engage in collaborative computer programming: a series of 48-hour hackathons to build new web and mobile services
    More example sentences
    • We put our normal schedule aside for a couple days to run our first internal hackathon.
    • On the weekend of December 12-13th, we're holding an open, distributed, nationwide hackathon to develop open source applications to open government.
    • Come join us for a 2-day hackathon; team up, hang out, and build a fun game.

Origin

1990s: from hack1, on the pattern of marathon.

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