Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She and Kaiser calculated that primordial black holes must have formed within the first quintillionth of a second following the Big Bang.

From Science Daily • Jun. 6, 2024

Then they compared that to the size of a region that would collapse to form a black hole in the first quintillionth of a second.

From Science Daily • Jun. 6, 2024

The researchers found that, within the first quintillionth of a second, the universe would still have been a soup of free quarks and gluons that had yet to combine.

From Science Daily • Jun. 6, 2024

One attosecond is a quintillionth of a second - it is to a second what one second is to the age of the Universe.

From BBC • Oct. 3, 2023