Crossword clues for billionth
Douglas Harper's Etymology Dictionary
Wiktionary
a. The ordinal form of the number billion. n. 1 The person or thing in the billionth position. 2 One of a billion equal parts of a whole.
WordNet
adj. the ordinal number of one billion in counting order
n. position 1,000,000,000 in a countable series of things
one part in a billion [syn: one-billionth]
Wikipedia
One billionth is the reciprocal of a billion, which means it has one of two definitions depending on whether the long scale or short scale definition is being used.
Usage examples of "billionth".
If the mirrors are about six inches apart, it will take the photon about a billionth of a second to complete one round-trip journey.
An ordinary thermopile in effect, but that each element is about one ten millionth of an inch in diameter, and weighs about one ten billionth of an ounce.
An ordinary thermopile in effect, but that each element is a-bout one ten millionth of an inch in diameter, and weighs about one ten billionth of an ounce.
In this way the dilution of the original millionth of a grain of medicine contained in the grain of powder operated on is carried successively to the billionth, trillionth, quadrillionth, quintillionth, and very often much higher fractional divisions.
But he should have remembered that at every successive dilution he lays aside or throws away ninety-nine hundredths of the fluid on which he is operating, and that, although he begins with a drop, he only prepares a millionth, billionth, trillionth, and similar fractions of it, all of which, added together, would constitute but a vastly minute portion of the drop with which he began.
As our most powerful particle accelerators can reach energies only on the order of a thousand times the proton mass, less than a millionth of a billionth of the Planck energy, we are very far from being able to search in the laboratory for any of these new particles predicted by string theory.
Physicists can probe down to a billionth of a billionth of a meter with accelerators that are roughly a few miles in size.
Our inability to probe distances smaller than a billionth of a billionth of a meter permits not only extra tiny dimensions but all manner of whimsical possibilities as well-even a microscopic civilization populated by even tinier green people.
It is the quest to build man-made machinery of extremely small size, on the order of 100 nanometers, or a hundred billionths of a meter.
The Regulators had about twenty minutes left to run in this, its nine billionth showing at casa Wyler, and Audrey thought she could count on at least that long.
A billion-ton kernel had an event horizon only a few billionths of a nanometer across.
In 1911 Rutherford proposed this new structure for the atom, and pointed out that while the atom itself was small—a few billionths of an inch—the nucleus was tiny, only about a hundred thousandth as big in radius as the whole atom.
With the use of this method, temperatures as low as a few billionths of a degree have been attained.
Several tunes, facsimiles of space, that were almost like what had been destroyed, held against the chaos for a measurable time in terms of billionths of seconds.
The intention of the collider was to let scientists probe “the ultimate nature of matter,” as it is always put, by re-creating as nearly as possible the conditions in the universe during its first ten thousand billionths of a second.