peta-

1.
a combining form used in the names of units of measure equal to one quadrillion (10 15) of a given base unit:
petabyte.
Origin
origin uncertain
British Dictionary definitions for peta-

peta-

prefix
1.
denoting 1015: petametres, P
Word Origin
C20: so named because it is the SI prefix after tera-; on the model of penta-, the prefix after tetra-
peta- in Medicine

peta- pref.
One quadrillion (1015): petagram.

peta- in Science
peta-  

  1. A prefix that means:

  2. One quadrillion (1015), as in petahertz, one quadrillion hertz.

  3. 250 (that is, 1,125,899,906,842,624), which is the power of two closest to a quadrillion, as in petabyte.


peta- in Technology


prefix