petawatt-hour

短语

词形变化

petawatt-hours 复数

释义与例句

n.
  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)

词源

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

来源：wiktionary