Recent Examples on the WebThe ultra-quick journey took 247 zeptoseconds, according to a team of German researchers, with a zeptosecond representing a trillionth of a billionth of a second.—NBC News, 19 Oct. 2020
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'zeptosecond.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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