Void

In 2005, IBM plans to allow its PowerPC 970 processor line to run multiple operating systems simultaneously
http://www.forbes.com/technology/feeds/general/2005/01/03/generalprimemedia_2005_01_03_eng-primemedia_eng-primemedia_153118_4014058325543415015.html?partner=yahoo&referrer=

http://www.merriam-webster.com/cgi-bin/dictionary?book=Dictionary&va=void&x=0&y=0