V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

IA32
       Intel Architecture - 32 [BIT] (Intel, BIT), "IA-32"


The Free On-line Dictionary of Computing (30 December 2018):

IA32

    The processor chip architecture and
   instruction set used by Intel in its Pentium processors.

   (2007-06-17)