Definition of petawatt in English:

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Pronunciation: /ˈpedəˌwät/


A quadrillion (1015) watts: each year warm-core eddies shed southward the equivalent of about 0.3 petawatt of power
More example sentences
  • Their calculations show that circularly polarized light from petawatt lasers - which are currently under construction around the world - could induce incredibly short blasts of synchrotron-like radiation.
  • The latest generation of petawatt lasers, for example, can produce focused infrared pulses with an intensity of 10 21 watts per square centimetre.
  • Copious numbers of energetic electrons are accelerated to mega-electron-volt energies during the petawatt laser/matter interaction.

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Syllabification: pet·a·watt

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