zettasecond
See also: zetta-second
English
Etymology
zetta- + second
Noun
zettasecond (plural zettaseconds)
- A unit of time equal to 1,000,000,000,000,000,000,000 seconds and with symbol Zs.
| 单词 | zettasecond |
| 释义 | zettasecondSee also: zetta-second
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