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petahertz

[pet-uh-hurts] /ˈpɛt əˌhɜrts/
noun
1.
one quadrillion (10 15) hertz.
Abbreviation: PHz.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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  • Research has focused on developing sufficiently high-frequency diodes to enable rectification of the petahertz optical spectrum.

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