Definition from Wiktionary, the free dictionary
See also Sextillion
- Rhymes: -ɪljən
Cardinal numeral 
- (US; modern British & Australian, short scale) A trillion billion: 1 followed by 21 zeros, 1021.
- (dated British & Australian, long scale) A million quintillion: 1 followed by 36 zeros, 1036.
See also 
a trillion billion, 1021
a million quintillion, 1036
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