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petahertz
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See also:
pétahertz
and
peta-hertz
Contents
1
English
1.1
Etymology
1.2
Noun
1.2.1
Derived terms
English
edit
Etymology
edit
peta-
+
hertz
.
Noun
edit
petahertz
(
plural
petahertz
)
(
metrology
)
An
SI unit
of
frequency
equal to 10
15
hertz
.
Derived terms
edit
PHz
(abbreviation)