thousandth
Americanadjective
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012noun
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one of 1000 approximately equal parts of something
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( as modifier )
a thousandth part
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one of 1000 equal divisions of a particular scientific quantity
millivolt
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the fraction equal to one divided by 1000 ( 1/ 1000 )
Etymology
Origin of thousandth
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In the Milky Way, only the central nucleus has star densities remotely comparable, and that region still contains only about one thousandth of the stars needed for the little-red-dot models.
From Science Daily
Lavreysen and Hoogland roared to the Olympic record over 200 meters with a time that was the exact same down to the thousandth of a second, putting them on opposite sides of the bracket.
From Seattle Times
He had been aiming to improve on his fourth-placed finish at Rio 2016 where he missed out on bronze by three thousandths of a second.
From BBC
That is equivalent to resolving a thousandth of the person’s height, which would require obtaining a megapixel image.
From Scientific American
But the German team came on strong at the end, and the margin was just 85 thousandths of a second, but the Chinese managed to hold on for their second consecutive gold medal.
From Seattle Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.