nonillion

noun

no·​nil·​lion nō-ˈnil-yən 

often attributive

US : a number equal to 1 followed by 30 zeros see Table of Numbers

also, British : a number equal to 1 followed by 54 zeros see Table of Numbers

Examples of nonillion in a Sentence

Recent Examples on the Web

There are probably a nonillion of them in the sea, the scientists estimate. —Andrew Moseman, Discover Magazine, 20 Apr. 2010

Word History

Etymology

French, from Latin nonus ninth + French -illion (as in million) — more at noon

First Known Use

1690, in the meaning defined above

Kids Definition

nonillion

noun

no·​nil·​lion nō-ˈnil-yən 

US : a number equal to 1 followed by 30 zeros see number

also, British : a number equal to 1 followed by 54 zeros see number