1. 
   jackscrew
   [n] - screw-operated jack
   Found op http://www.webdictionary.co.uk/definition.php?query=jackscrew
   
   
2. 
   Jackscrew
   A bolt or screw attached to the baseplate or foundation that is used to move or position the machine that is being moved.
   Found op http://www.diracdelta.co.uk/science/source/j/a/jackscrew/source.html
   
   
3. 
   Jackscrew
   Jack'screw` noun A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack , noun , 5.
   Found op http://www.encyclo.co.uk/webster/J/1
   
   
4. 
   jackscrew
   A jack in which a screw is used for lifting, or exerting pressure. See Jack. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?jackscrew
   
   
5. 
   jackscrew
   screw jack noun screw-operated jack
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=jackscrew
   
   
6. 
   Jackscrew
   • (n.) A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5.
   Found op http://thinkexist.com/dictionary/meaning/jackscrew/
   
   
7. 
   jackscrew
   Type: Term Pronunciation: jak′skrū Definitions: 1. A threaded device used in appliances for the separation of approximated teeth or jaws.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=46139
   
   
8. 
   Jackscrew
   A jackscrew is a type of jack which is operated by turning a leadscrew. In the form of a screw jack it is commonly used to lift heavy weights such as the foundations of houses, or large vehicles. ==Advantages== However, most screw jacks have large amounts of friction which increase the input force ...
   Found op http://en.wikipedia.org/wiki/Jackscrew
   
   
9. 
   jackscrew
   jackscrew: see screw.
   Found op http://www.infoplease.com/ce6/sci/A0914804.html
   
   
10. 
    jackscrew
    1) Jack 2) Screw jack 3) Screw-operated jack
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/jackscrew/1
    
    

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