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turnstile
(redirected from Turnstyle)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
turnstile
Logic a symbol of the form ├, ÿE;, or ╟, used to represent logical consequence when inserted between expressions to form a sequent, or when prefixed to a single expression to indicate its status as a theorem

turnstile [′tərn‚stīl]
(engineering)
A barrier that rotates about a vertical axis and usually is arranged to allow the passage of only one person at a time through an opening.

turnstile
A barrier which rotates on an axis and usually is so arranged as to allow the passage of a person through an opening only in one direction, one person at a time.


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WALK past any tanning salon on a Friday or Saturday night and the queue for sunbeds no longer resembles the returns counter at Top Shop - it looks more like the line at the turnstyles outside Anfield or Goodison Park.
GAA top brass have revealed its turnstyles will be closed to the rival codes once the current deal runs out in 2010.
45 start, when they play their first home friendly, but they are hoping for a good walk-up, with cash turnstyles open at all four corners of the ground.
 
 
 
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