billion
noun
a cardinal number represented in the U.S. by 1 followed by 9 zeros, and in Great Britain by 1 followed by 12 zeros.
billionth
-
a word derived from
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.
A nanometer, or 1 billionth of a meter, refers to the size of a transistor, and the smaller the size, the greater the number of transistors that can be placed on a chip.
From The Wall Street Journal ● Oct. 23, 2026
For perspective, a nanometer is one billionth of a meter.
From Science Daily ● Oct. 17, 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
I need to get out there pronto, but I feel tears stinging my eyes for the billionth time this evening.
From "South of Somewhere" by Kalena Miller
