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quindecillion

quin·de·cil·lion [ kwìndi síllyən ] (plural quin·de·cil·lions)


noun 
Definition:
 
1. 1 followed by 48 zeros: the number equal to 1048, written as 1 followed by 48 zeros

2. U.K. 1 followed by 90 zeros: the number equal to 1090, written as 1 followed by 90 zeros

[Early 20th century. Blend of Latin quindecim "fifteen" + million]
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