from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Something released before an official or scheduled date.
  • adj. Of or relating to an interval preceding an official or scheduled release: a prerelease demonstration of a product; a prison prerelease program.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Before release.

from The Century Dictionary and Cyclopedia

  • n. Early release; release before the right time; in an engine, the opening of the exhaust-port before the piston has reached the end of its stroke. This is done to allow the steam or gases time to escape before the piston starts on its return stroke.


Sorry, no etymologies found.


  • Note that the "build your own" link refers to a prerelease version of Dynamics CRM 2011.

    Site Home

  • As you can see (if you pay attention to Magic's release schedule), our prerelease was a few days in advance of the rest of the world.

    Damn Hell Ass Kings

  • · Changed default boot up menu cursor location to Video; previously the cursor defaulted to Photos think they issued a 'prerelease' first because there have probably been many requests from WDTV users lol cool.

  • However, some gem authors wanted to be able to release "prerelease" versions of their gems, i.e. versions before the ".0" release.


  • The studio says its prerelease market research shows high awareness of "The Smurfs" among families with young children, but that the movie appears weaker with general audiences.

    Sony Whips Up 'Smurfs' Marketing Frenzy

  • The movie made roughly $38 million during its first weekend in theaters—topping the $25 million industry experts had been expecting based on prerelease audience surveys.

    Comcast Plays Up 'Symphony'

  • This really is an excellent film that I really expect to either pick up steam over the coming weeks or wallow in mediocrity (after the initial, prerelease hype-induced success) only to become recognized for the classic film it really is over time.

    10 « March « 2009 « Axiom's Edge Science Fiction and Fantasy

  • Even Ebert admits to being dubious about Avatar, according to trailers, advanced screenings, and prerelease buzz.

    Will You Go See Avatar?

  • And it just happens that the technology that helped to inspire it—Kinect—was known, prerelease, as Project Natal .

    Spying on Your Buying

  • When Jane's played a prerelease concert at New York's Terminal 5 in late July, the core quartet, with Mr. Chaney on bass, didn't use prerecorded music to fill the midrange and replicate the new album's sound.

    Breaking Old Habits


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