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slipstreaming

[slip-stree-ming] /ˈslɪpˌstri mɪŋ/
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.
Origin
1985-1990
1985-90

slipstream

[slip-streem] /ˈslɪpˌstrim/
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.
verb (used without object)
3.
to ride in the slipstream of a fast-moving vehicle.
Origin
1910-15; slip1 + stream
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for slipstreaming

slipstream

/ˈslɪpˌstriːm/
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
verb
2.
(motor racing) to follow (another car, etc) closely in order to take advantage of the decreased wind resistance immediately behind it
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
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Word Origin and History for slipstreaming

slipstream

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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