WordNet
one-billionth
n. one part in a billion [syn: billionth]
Usage examples of "one-billionth".
Yes, I caught myself marveling over the fact that the height of the Great Pyramid really was one-billionth of the distance between the earth and the sun, and that you really could draw striking parallels between Celtic and Amerind mythologies.
But it was hampered by the fact that as you added bits, the output signal got exponentially weaker: a thirty-bit quantum computer based on that principle produces output only one-billionth as strong as that from a one-bit computer based on the same technique.