one quadrillion; the factor 10
- One quadrillion (1015): petahertz.
- 1,125,899,906,842,624 (250): petabyte.
Origin of peta-Alteration of penta– (from its representing the fifth power of a thousand).
- A female given name.
- Mainly used in the U.K. and Australia.
A rare feminine form of Peter.