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zettasecond
Language
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See also:
zetta-second
English
edit
Etymology
edit
From
zetta-
+
second
.
Noun
edit
zettasecond
(
plural
zettaseconds
)
(
metrology
)
An
SI unit
of
time
equal to 10
21
seconds
. Symbol:
Zs
Categories
:
English terms prefixed with zetta-
English lemmas
English nouns
English countable nouns
en:Metrology
en:SI units
en:Time
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