quintillion

play
noun quin·til·lion \kwin-ˈtil-yən\

Definition of quintillion

  1. US :  a number equal to 1 followed by 18 zeros — see number table; also, British :  a number equal to 1 followed by 30 zeros — see number table

quintillion

adjective

quintillionth

play \kwin-ˈtil-yən(t)th\ adjective or noun

Origin and Etymology of quintillion

Latin quintus + English -illion (as in million)


First Known Use: circa 1690



Seen and Heard

What made you want to look up quintillion? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a frightening dream

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!