What does "petascale" mean?

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.

What is a synonym for "petascale"?

Common synonyms include: gigascale, terascale.

Petascale

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
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. not-comparable

Synonyms

All synonyms

gigascale terascale

Etymology

From peta- + scale.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.