1. 
   Paperboard
   General term for heavyweight grades of paper that are used for containers, boxes, cartons and packaging materials. It is divided into: Containerboard, Boxboard and Other Paperboard.
   Found op http://grn.com/library/gloss.htm
   
   
2. 
   paperboard
   [n] - a cardboard suitable for making posters
   Found op http://www.webdictionary.co.uk/definition.php?query=paperboard
   
   
3. 
   Paperboard
   Paper with a caliper greater than .012 inches, or 12 points. Paperboard is used primarily for packaging and construction materials. Paperboard doesn't need to have the same white- ness and brightness as premium printing and writing papers, and because the process of de-inking is less important in it...
   Found op http://www.encyclo.co.uk/local/20829
   
   
4. 
   paperboard
   poster board noun a cardboard suitable for making posters
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=paperboard
   
   
5. 
   paperboard
   (from the article `papermaking`) Converters of paper and paperboard have also turned to new materials combined with paper and paperboard to give their products special ... The term paperboard is a general term that is descriptive of products which are 0.30 millimetre (0.012 inch) or more in thicknes...
   Found op http://www.britannica.com/eb/a-z/p/14
   
   
6. 
   Paperboard
   Paperboard is a thick paper based material. While there is no rigid differentiation between paper and paperboard, paperboard is generally thicker (usually over {convert|0.25|mm|in|3|abbr=on|disp=/} or 10 points) than paper. According to ISO standards, paperboard is a paper with a basis weight (gram...
   Found op http://en.wikipedia.org/wiki/Paperboard
   
   
7. 
   paperboard
   paperboard, material similiar in shape and composition to paper, but generally thicker, stronger, and more rigid. Paper machines, e.g., Fourdrinier machines, are used to make sheets of paperboard. Sometimes these machine-made sheets are pasted to each other or to paper sheets to build up special thi...
   Found op http://www.infoplease.com/ce6/sci/A0837536.html
   
   
8. 
   paperboard
   1) Cardboard 2) Composition board 3) Poster board 4) Posterboard
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/paperboard/1
   
   

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