Also found in: Thesaurus, Encyclopedia, Wikipedia.


The number 10 raised to the power googol, written out as the numeral 1 followed by 10100 zeros.

[googol + -plex (as in duplex).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈɡuːɡɒlˌplɛks; -ɡəl-)
(Mathematics) the number represented as one followed by a googol (10100) of zeros
[C20: from googol + (du)plex]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈgu gəlˌplɛks)

a number that is equal to 1 followed by a googol of zeros, expressed as 10^googol.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.googolplex - a cardinal number represented as 1 followed by a googol of zeros (ten raised to the power of a googol)
cardinal number, cardinal - the number of elements in a mathematical set; denotes a quantity but not the order
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Mentioned in ?
References in periodicals archive ?
Words define large numbers, such as googolplex for 10 to the power of a googol.
Why not a million, a billion, even a googolplex per cent?
googol and googolplex. Available from: Accessed August 2, 2018.
What is googolplex? The number one followed by a googol of zeros.
A googolplex is one with a thousand zeros after it, and a googolplexian  is one with a million zeros after it.
In mathematics, a googolplex is a blend of the word googol and duplex.
Full of genetics, clever allusions, and above all an interesting examination of human nature, Googolplex tugs at the imagination long past its final sentence.
Critique: Ably translated into English for an appreciative American readership, "Googolplex" by Swedish author KG Johansson is an impressively original and deftly crafted science fiction novel that will hold the reader's fully entertained and rapt attention from beginning to end.
A googolplex, or 1 followed by 10100 zeroes, is an even bigger number.
Donnie Rhodes: "I encourage all of you, the next time you are headed out to the googolplex to take in random radioactive spandex man, to take a u-turn and support a local business with integrity and taste in film selection."
It ('Google') was mistakenly misspelled by Page from 'googol--a humongous number of 1 with one-hundred '0's (or 'googolplex' for an insanely large number), to indicate its huge capacity of data/information search and provision and other related services (Levy, 2011).
These accounts offer dividends, savings milestone gifts, fun financial stories and educational activities through newsletters and access to CUNA's youth-targeted Googolplex websites.