1. 
   OpenGL
   Open Graphics Library
   Found op http://foldoc.org/OpenGL
   
   
2. 
   OpenGL
   A graphics standard providing advanced rendering capabilities. See also: Programming Languages.
   Found op http://www.diracdelta.co.uk/science/source/o/p/opengl/source.html
   
   
3. 
   OpenGL
   (from the article `computer graphics`) Computer graphics relies heavily on standard software packages. The OpenGL (open graphics library) specifies a standard set of graphics routines that ...
   Found op http://www.britannica.com/eb/a-z/o/22
   
   
4. 
   OpenGL
   OpenGL (Open Graphics Library) is a standard specification defining a cross-language, cross-platform API for writing applications that produce 2D and 3D computer graphics. The interface consists of over 250 different function calls which can be used to draw complex three-dimensional scenes from sim...
   Found op http://en.wikipedia.org/wiki/OpenGL
   
   
5. 
   opengl
   1) Open graphics library
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/opengl/1
   
   

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