Billion

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Billion

1. One thousand million in the short scale numbering system.

2. One million million in the long scale number system. This number is known, perhaps more commonly, as one trillion.
References in periodicals archive ?
Then one-thousandth of a millimetre is one thousandth of one-millionth, or one billionth of a kilometre.
This is the world of nano - for nanometer, or billionth of a meter - instead of today's world of micro, for micrometer, or millionth of a meter.
Unfortunately, thermometers that can measure temperatures of a few billionths of a degree rely on physics that doesn't apply at these extremely low temperatures.
The anti-hydrogen atoms created in the experiment were moving at nearly the speed of light and survived only some 40 billionths of a second before colliding with atoms of ordinary matter and annihilating themselves.
The team studied less than 2 billionths of a gram of fermium painstakingly produced by Oak Ridge (Tenn.
Additionally, Fab 24 is Intel's third fab to manufacture semiconductors with circuitry of 90 nm (90 billionths of a meter) across.
These transistors, measuring ten nanometers, or ten billionths of a meter in length (gate), are six times smaller than the smallest transistors currently in production.
It ejects a photon for at least a third of the electrons, timed to a precision of tens of billionths of a second.