MooT Question Icon
In the USA, the word exa is to giga as the word quintillion is to what?




Etymology, Etymology, and more Etymology
as well as grammar, usage, euphemism, slang, jargon, semantics, linguistics, neologism, idiom, cant, and argot.


A picture of a moot game

The critically-acclaimed board game MooT
consists of tough questions about the nuances of the English language.
To join our mailing list and get
free brain-twisting MooT questions sent to you irregularly,
enter your email address and then press submit.

E-Mail address:




Back to home page



Answer: billion

The base unit metric prefixes for non-fractions are: deka (10), hecto (10**2), kilo (10**3 or thousand), mega (10**6 or million), giga (10**9 or billion), tera (10**12 or trillion), peta (10**15 or quadrillion), and exa (10**18 or quintillion) -- where ** means "to the power of."

Copyright 1998-2009 Blair Arts Ltd. All rights reserved.