WordNet
one-thousandth
n. one part in a thousand [syn: thousandth]
Usage examples of "one-thousandth".
Matter is simply ether in motion, is composed of corpuscles, electrically charged ions, or electrons, moving units of negative electricity about one one-thousandth part of the hydrogen atom.
The total rotational energy of the Earth is only one-thousandth of the planet's gravitational self-energy, but that is still an incredibly big number.