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quintillion
(redirected from quintillionth)

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quintillion
One thousand times one quadrillion, which is 1, followed by 18 zeros, or 10 to the 18th power. See space/time.
quintillion
1. (in Britain, France, and Germany) the number represented as one followed by 30 zeros (1030)
2. (in the US and Canada) the number represented as one followed by 18 zeros (1018)
quintillion [kwin′til·yən]
(mathematics)
The number 1018.
In British and German usage, the number 1030.
quintillion - 10^30 in Europe (this is called a nonillion in the United States and Canada).

10^18 in the United States and Canada (this is called a trillion in Europe).

[Collins dictionary].
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The Agilent instrument is sensitive down to the attomole (one quintillionth, or 10 to the negative 18 power of a mole) range, and offers better than two parts-per-million mass accuracy, which gives scientists high confidence in their data and helps them easily identify the compounds they find.
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