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slipstreaming

[slip-stree-ming]
noun
  1. the act of updating a software program without adequately informing the public, as by failing to release it as an official new version.
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Origin of slipstreaming

First recorded in 1985–90

slipstream

[slip-streem]
noun Also slip stream.
  1. Aeronautics. the airstream pushed back by a revolving aircraft propeller.Compare backwash(def 2), wash(def 31).
  2. the airstream generating reduced air pressure and forward suction directly behind a rapidly moving vehicle.
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verb (used without object)
  1. to ride in the slipstream of a fast-moving vehicle.
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Origin of slipstream

First recorded in 1910–15; slip1 + stream
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for slipstreaming

slipstream

noun
  1. Also called: airstream, race
    1. the stream of air forced backwards by an aircraft propeller
    2. a stream of air behind any moving object
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verb
  1. motor racing to follow (another car, etc) closely in order to take advantage of the decreased wind resistance immediately behind it
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for slipstreaming

slipstream

n.

also slip-stream, 1913, from slip (n.2) + stream (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper