Definition of "one-hundred-thousandth" [one-hundred-thousandth]

• One part in a hundred thousand equal parts (noun)

WordNet. Princeton University. 2010.

• "So why would they favor raising taxes on those who make as little as $250,000 a year, an amount that is less than one one-hundred-thousandth of Buffett's total wealth."
• "But by its hostility to virtually every part of the War on Terrorism, and its continuing assertion that in this war almost every step America has taken is an unnecessary and wasteful overreaction, the Left implicitly makes the argument that the dead of September 11 represent only one one-hundred-thousandth of the American population, and that although intelligent people understand the implications of this, the impatient jingoes who 'control' the country do not."
• "About August he had obtained a pump that would produce a vacuum up to about the one-hundred-thousandth part of an atmosphere, and some time during the next month, or beginning of October, had obtained one that would produce a vacuum up to the one-millionth part of an atmosphere."