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billionth
Derived word form of billion

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.

For comparison, a nanometer is one billionth of a meter, far smaller than anything visible to the human eye.

From Science Daily • Mar. 31, 2026

They were able to do so only for less than a billionth of a second.

From Los Angeles Times • Mar. 3, 2026

Seeing Escola on the Tonys red carpet, I couldn’t help but recall that video for the billionth time.

From Salon • Jun. 9, 2025

Five days later, it was streamed for the billionth time - the first album ever to achieve that feat.

From BBC • Apr. 26, 2024

It may have seemed clever at the time, but after about the billionth time, it had grown old.

From "Doing Time Online" by Jan Siebold

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