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googol Syllabification: goo·gol
Pronunciation: /ˈɡo͞oˌɡôl/

Definition of googol in English:

cardinal number

Equivalent to ten raised to the power of a hundred (10100).
Example sentences
  • There is also a googolplex, which is 10 to the power of a googol.
  • Even bigger than a googol, according to Kasner, is a googolplex, a 1 followed by a googol zeros.
  • Steven J. Wilson's Integermania page has an incomplete set of solutions up to a googol, along with several related problems.


1940s: said to have been coined by the nine-year-old nephew of E. Kasner (1878–1955), American mathematician, at Kasner's request.

Definition of googol in:
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