Definition of googolplex in US English:


cardinal number

  • Equivalent to ten raised to the power of a googol.

    • ‘Here's an example, out of a possible googolplex of similar instances.’
    • ‘Through this method, a wild guess at the Möbius value of googolplex + 1 is possible, without a complete factorization.’
    • ‘Regarding other large numbers, neither googolplex nor infinity return calculator results.’
    • ‘Consequently, finding a specific number among the googolplex available can be as challenging as locating a particular piece of hay in a haystack.’
    • ‘Even bigger than a googol, according to Kasner, is a googolplex, a 1 followed by a googol zeros.’


1940s: from googol + -plex as in multiplex.