Petajoule
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 An SI unit of energy equal to 10¹⁵ joules. Symbol: PJ
Synonyms
All synonymsEtymology
From peta- + joule.
More for "petajoule"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.