Try Our Apps
Dictionary.com

follow Dictionary.com

The Best Internet Slang

millionth

[mil-yuh nth] /ˈmɪl yənθ/
adjective
1.
coming last in a series of a million.
2.
being one of a million equal parts.
noun
3.
the millionth member of a series.
4.
a millionth part, especially of one (1/1,000,000).
Origin of millionth
1665-1675
First recorded in 1665-75; million + -th2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for millionth
Contemporary Examples
  • For the millionth time the picture served to show how mesmerizingly crisp Obama always looks.

    The Heat Quotient Tina Brown October 28, 2008
Historical Examples
  • If I said I loved you it wouldn't be a millionth part of what I do.

    The Prisoner Alice Brown
  • And then I thought for the millionth time what an awful mistake it is to be fastidious.

    A Boswell of Baghdad E. V. Lucas
  • That's three-millionths of a millionth of a ampere-second at one volt.

    The Machine That Saved The World William Fitzgerald Jenkins
  • It'll do it all in about a millionth of a second, too—I want to get us all back alive if possible!

    Skylark Three Edward Elmer Smith
  • Then for the millionth part of a second their eyes met, and they recognised each other.

    Scarlet and Hyssop E. F. Benson
  • The millionth chance that it might not be locked was against him.

  • In this way a speed of a millionth of a second can be attained.

  • The dimensions of atoms must be less than a millionth of a millimetre in diameter.

    Urania Camille Flammarion
  • An increment of growth so minute as a millionth part of a mm.

    Life Movements in Plants Sir Jagadis Chunder Bose
British Dictionary definitions for millionth

millionth

/ˈmɪljənθ/
noun
1.
  1. one of 1 000 000 approximately equal parts of something
  2. (as modifier): a millionth part
2.
one of 1 000 000 equal divisions of a particular scientific quantity related prefix micro-
3.
the fraction equal to one divided by 1 000 000
adjective
4.
(usually prenominal)
  1. being the ordinal number of 1 000 000 in numbering or counting order, etc
  2. (as noun): the millionth to be manufactured
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for millionth
adj.

1670s, from million + -th (1).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for millionth

Some English speakers likely know this word

Word Value for millionth

14
17
Scrabble Words With Friends

Nearby words for millionth