thousandth Hear it!

thousandth definition

thou·sandth (t̸ho̵u′zəndt̸h)

adjective

  1. coming last in a series of a thousand; 1,000th
  2. designating any of the thousand equal parts of something

Etymology: thousand + -th

noun

  1. the thousandth one of a series
  2. any of the thousand equal parts of something;

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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