Petajoule Definition

noun

(metrology) An SI unit of energy, work, and heat equal to 1015 joules.

Wiktionary

Other Word Forms of Petajoule

Noun

Singular:
petajoule
Plural:
petajoules

Origin of Petajoule

  • peta- +‎ joule

    From Wiktionary

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petajoule