1. 
   rotational
   [adj] - of or pertaining to rotation
   Found op http://www.webdictionary.co.uk/definition.php?query=rotational
   
   
2. 
   rotational
   adjective of or pertaining to rotation; `rotational inertia`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=rotational
   
   
3. 
   rotational
   1) Motility 2) Motion 3) Move 4) Movement 5) Of or pertaining to rotation
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/rotational/1
   
   

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