nanohertz
See also:
nanoHertz
and
nano-hertz
English
Etymology
From
nano-
+
hertz
.
Noun
nanohertz
(
plural
nanohertz
)
(
physics
)
A
unit
of
frequency
equal to one
thousand
-
millionth
(10
-9
) of a
hertz
, about once every 32 years