1. 
   Telescoping
   [mechanics] Telescoping in mechanics describes the movement of one part sliding out from another, lengthening an object (such as a telescope or the lift arm of an aerial work platform) from its rest state. In modern equipment, this is often done by hydraulics. See also Telescopic cylinder. ....
   Found op http://en.wikipedia.org/wiki/Telescoping_(mechanics)
   
   
2. 
   Telescoping
   [railway] In a railway accident, telescoping occurs when the underframe of one vehicle overrides that of another, and smashes through the second vehicle`s body. The term is derived from the resulting appearance of the two vehicle bodies: the body of one vehicle may appear to be slid inside t...
   Found op http://en.wikipedia.org/wiki/Telescoping_(railway)
   
   
3. 
   Telescoping
   A sideways sliding of the tape layers, one over the other, such that the roll looks like a funnel or telescope.
   Found op http://www.encyclo.co.uk/local/20829
   
   
4. 
   Telescoping
   • (p. pr. & vb. n.) of Telescope
   Found op http://thinkexist.com/dictionary/meaning/telescoping/
   
   

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