zetta-
Prefix. In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 1021. Symbol: Z.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.