Definitions for "Exa"
Exa is an SI prefix in the SI system of units denoting 1018 or 1 000 000 000 000 000 000. Adopted in 1991, it comes from the Greek ἕξ, meaning six (like hexa-), because it is equal to 10006. Abbreviation
A prefix meaning one quintillion,1018. In computing, this translates into 1,152,921,504,606,846,976; the power of 2 closest to one quintillion (1060).
A prefix meaning 1018 or 1,000,000,000,000,000,000 also see: AKA: Antonym: Source:
a politically counterbalanced group of self ruling, free thinking individuals