petahertz
nounEtymology From peta- + hertz.
1
Metrology An SI unit of frequency equal to 10¹⁵ hertz.
- Derived terms
- PHz
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology From peta- + hertz.
Metrology An SI unit of frequency equal to 10¹⁵ hertz.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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