Petawatt-hour

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A unit of energy equal to that provided by one petawatt of power acting for one hour (3·6 × 10¹⁸ joules).

    "Holonym: terawatt-year (31.536e18 J)"

Example

More examples

"Holonym: terawatt-year (31.536e18 J)"

Etymology

By surface analysis, petawatt + hour, or, by surface analysis, peta- + watt-hour.

More for "petawatt-hour"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

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