googolplex.
The number 10^(10¹⁰⁰) or 10^( text )googol, ten to the power of a googol.
Meaning & usage
The number 10^(10¹⁰⁰) or 10^( text )googol, ten to the power of a googol.
A countable number.
An infinitesimally small portion of land, defined for legal purposes.
Where this word comes from
From googol + -plex, coined by American mathematician Milton Sirotta in 1920 who was then the young nephew of mathematician Edward Kasner. First published and defined in the book Mathematics and the Imagination (1940).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.