quintillion

quin·til·lion  (kwn-tlyn)

n.

1. The cardinal number equal to 10¹⁸.

2. Chiefly British The cardinal number equal to 10³⁰.

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[Latin quntus, fifth; see penk^we in Indo-European roots + (m)illion.]

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quin·tillion adj.

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quintillion

Noun

pl -lions or -lion

1. (in Britain, France, and Germany) the number represented as one followed by 30 zeros (10³⁰)

2. (in the US and Canada) the number represented as one followed by 18 zeros (10¹⁸) [Latin quintus fifth]

Thesaurus

Noun

1.

quintillion - the number that is represented as a one followed by 18 zeros France, French Republic - a republic in western Europe; the largest country wholly in Europe U.S.A., United States, United States of America, US, USA, America, the States, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776 large integer - an integer equal to or greater than ten