billionth
- noun
- /ˈbɪljənθ/
- In 2011, the world population reached its sevenbillionth person, marking a significant milestone in history.
- one billionth
- 1 billionth
- billionth of a second
Examples
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So was it a celebration of that billionth user?
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The 3 billionth person will be online shortly.
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We just had the seven billionth person a couple of weeks ago.
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You know, was it last week we just reached the seven billionth member of our global family?
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The arrival of the 7 billionth person is cause for profound global concern.
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You are our one-billionth customer.
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The company also recently clocked its one-billionth check-in.
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Facebook tugs at our heartstrings with its first major advertisement to celebrate its one billionth user, "The Things That Connect Us."
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The factory celebrated the production of its onebillionth item last month, highlighting its growth over the years.
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With the discovery of new planets, astronomers noted the existence of its tenbillionth star in the galaxy.
Compounds
Surface Forms
Morphology
Etymology
The word billionth is formed from billion plus the ending -th, like millionth or third, which turns a number into a place in a list. So as a noun it names the place that is number 'one billion'.