Trillion

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Trillion

1. In the short form, one million million. In business and economics, the GDP of highly developed countries is often given in trillions of dollars.

2. In the long form, one million million million. This is increasingly called one quintillion.
References in periodicals archive ?
As atomic clocks of ever-greater precision were devised, physicists could eventually time events to a millionth of a trillionth of a second.
Department of Energy's (DOE) SLAC National Accelerator Laboratory scientists using SLAC's Linac Coherent Light Source (LCLS) X-ray laser found that it takes only 1 trillionth of a second to flip the on-off electrical switch in samples of magnetite, which is thousands of times faster than in transistors now in use.
A cold atom space clock that measures time with the estimated precision of more than a trillionth of a second will also be in the lab.
But according to some theories of quantum gravity, which deal with matter and energy at the smallest scale, spacetime is made up of a froth of particles and possibly even black holes that pop in and out of existence over infinitesimally small moments at the so-called Planck-length scale, which is less than a trillionth of a trillionth the diameter of a hydrogen atom.
On March 17, scientists at the Harvard-Smithsonian Center for Astrophysics announced that the telescope, BICEP2, had detected ripples in spacetime dating back to a trillionth of a trillionth of a trillionth of a second after the Big Bang (SN: 4/5/14, p.
Some theories of quantum gravity say that the universe is not smooth but foamy-made of fundamental units called Planck lengths that are less than a trillionth of a trillionth the diameter of a hydrogen atom.
The data suggest the electron differs from being perfectly round by a length that is so small it is a billion trillionth of a nanometer.
During inflation, Guth proposed, the universe's volume grew by a factor of at least [10.sup.75] in the first trillionth of a trillionth of a trillionth of a second after the Big Bang.
The government has set the maximum tolerable dioxin levels at 1 picogram of dioxins per liter of water and 1,000 picograms per gram of soil (1 picogram is a trillionth of a gram).
The whole process took less than a trillionth of a second.
At at room temperature, that minimum heat loss is about 3 billionths of a trillionth of a joule.