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[goo-gawl, -gol, -guh l] /ˈgu gɔl, -gɒl, -gəl/
a number that is equal to 1 followed by 100 zeros and expressed as 10 100 .
Origin of googol
1935-40; introduced by U.S. mathematician Edward Kasner (1878-1955), whose nine-year-old nephew allegedly invented it
Can be confused
goggle, Google, googol. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for googol


/ˈɡuːɡɒl; əl/
the number represented as one followed by 100 zeros (10100)
Word Origin
C20: coined by E. Kasner (1878–1955), American mathematician
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for googol

1940, in "Mathematics and the Imagination," a layman's book on mathematics written by U.S. mathematicians Edward Kasner (1878-1955) and James R. Newman, the word supposedly coined a year or two before by Kasner's 9- (or 8-) year-old nephew (unnamed in the book's account of the event), when asked for a name for an enormous number. Perhaps influenced by comic strip character Barney Google. Googolplex coined at the same time, in the same way.

Online Etymology Dictionary, © 2010 Douglas Harper
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googol in Science
  (g'gôl', g'gəl)   
The number 10 raised to the 100th power (10100), written out as 1 followed by 100 zeros.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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googol in Technology

The number represented in base-ten by a one with a hundred zeroes after it.
According to Webster's Dictionary, the name was coined in 1938 by Milton Sirotta, the nine-year-old nephew of American mathematician, Edward Kasner.
See also googolplex.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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