billionth
2
4.3
- noun
- /ˈbɪljənθ/
:
mil millonésima
- One nanometer—one billionth of a meter—is a magical point on the dimensional scale.
- one billionth
- billionth of a meter
- billionth of a second
Examples
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The best estimates suggest that in most cases about one billionth of the mass of the Sun is being accreted every year.
Academic text (1991) -
The samples were on the scale of mere millionths or billionths of a meter.
Blog text (17) -
- A billionth of a per cent commission.
-
By the way, the device can also tell the time to within a few billionths of a second.
Academic text (1996) -
In the 22nd category, there is an error of 16 billionths.
-
That's 60 billionths of a second, a time no human brain can register!
Blog text (18) -
Micrometers are millionths of a meter, and nanometers are billionths of a meter.
Blog text (17) -
The observations achieved a sharpness, or angular resolution, of just 28 microarcseconds—about 8 billionths of a degree.
Blog text (2) -
On page 388 of The Menace of Atomic Energy, Ralph Nader and John Abbotts calculate that 2.1 billionths of a gram of plutonium-239 will cause lung cancer.
Academic text (1992) -
The device can measure time accurately to within a millionth of a second, but for the highest precision, it measures to within a few billionths.
Synonyms
1
5.8
One of a billion equal parts
Compounds
How Small
1
6.7
2
4.3
- Specialized
6
2.8
5
2.3
7
1.0
58
1.0
Surface Forms
Morphology
Etymology
The word billionth comes from billion + -th, and you can think of it like a much smaller version of millionth; it means one part when something is split into a billion equal parts. So a billionth is literally one of 'one billion' parts.