Source : Free On-Line Dictionary of Computing

nanoacre
     
         /nan'oh-ay"kr/ A unit (about 2 mm square) of
        real estate on a {VLSI} {integrated circuit}.  VLSI nanoacres
        have costs in the same range as real acres once one allows for
        design and fabrication setup costs.
     
        [{Jargon File}]
     
        (1995-09-20)