PHIGS

from The Free On-line Dictionary of Computing (8 July 2008)

Programmers Hierarchical Interactive Graphics System
PHIGS

   (PHIGS) An {ANSI}/{ISO} {standard}.  Worked on by the
   {ISO}/{IEC} group {JTC1/SC24}.

   [More detail?]

   (1995-01-04)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

PHIGS
       Programmer's Hierarchical Interactive Graphics System