Adjective
petascale (not comparable)
A metric for objects on the scale of quadrillions (10 or 1,000,000,000,000,000) of elements. Most often used for computer systems; a petascale computer system operates at speeds measured in petaflops and has memory measured in petabytes.
NCSA's supercomputers are at the National Petascale Computing Facility. citation citation Movies/Visualization NCSA's visualization department is internationally well-known. Source: Internet