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petagram
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See also:
peta-gram
English
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Etymology
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peta-
+
gram
Noun
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petagram
(
plural
petagrams
)
A unit of
mass
equal to 1,000,000,000,000,000 (10
15
)
grams
. Symbol:
Pg
Sometimes used in Carbon Dioxide numbers, it is equivalent to Metric Gigatons (Giga) 10
9
x (Ton) 10
3
x (kg) 10
3
= 10
15