Our new 'Word Of The Day' article update : googolplex , n :
(cardinal) The number 10 10 100 {\displaystyle 10^{10^{100}}} or 10 googol {\displaystyle 10^{\text{googol}}} , ten to the power of a googol. (figuratively) An unimaginably large number. (US, real estate, nonstandard, rare) An infinitesimally small portion of land, defined for legal purposes. The American technology company Google was founded on this day in 1998.