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British Dictionary definitions for grillion

grillion

noun plural -lions or -lion informal
  1. (often plural) an extremely large but unspecified number, quantity, or amounthe had grillions more goes than me
determiner
  1. amounting to a grilliona grillion years old

Word Origin

C20: on the model of million
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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