petascale en · ADJ
Etymology
Etymology tree English peta- Proto-Indo-European *skend-der. Proto-Indo-European *(s)kn̥d-sleh₂ Proto-Italic *skand-slā Latin scālabor. Middle English scale English scale English petascale From peta- + scale.
Meanings
- (not-comparable) A metric for objects on the scale of quadrillions (10¹⁵ 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.