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billion

[Fr. bi, two, + million, million]
1. In the U.S., billion is a number equal to 1 followed by 9 zeros (1,000,000,000) or (109).
2. In Europe, billion is a number equal to 1 followed by 12 zeros (1012), that is, bi-million, or twice the number of zeros in a million (106).
References in periodicals archive ?
Datum's new card takes advantage of PCI technology allowing increased timing resolution and features an on-board disciplined quartz oscillator and sophisticated signal processing that achieves time resolution of 10 billionths of a second (10 nanoseconds).
Van Halbeek says he envisions molecules with these sugar-to-sugar connections tumbling every few billionths of a second but flexing 10 to 100 times as fast.
The laser can remove one-quarter of a millionth of an inch of tissue of 12 billionths of a second.
Reading" data from a spot involves a similar process but requires sensors to detect light emitted from the colored molecules several billionths of a second after stimulation by lasers tuned to longer wavelengths.
On its fifth try after some new modifications, the machine, called Saturn, blasted out 14 trillion watts of X-ray energy in 40 billionths of a second -- expelling more than 30 times the amount of energy in all the electricity consumed in the United States at that moment.
But the event happens so unpredictably and so quickly -- lasting only a few millionths or billionths of a second -- that it is nearly impossible to capture it on film.
Retrieving a bit of data from one of the chip's storage cells takes about 80 billionths of a second.
5 million joules of it, and concentrates if into pulses 50 billionths of a second long.