millionth

American

[mil-yuhnth] / ˈmɪl jənθ /

adjective

coming last in a series of a million.
being one of a million equal parts.

noun

the millionth member of a series.
a millionth part, especially of one (1/1,000,000).

millionth British

/ ˈmɪljənθ /

noun

1. one of 1 000 000 approximately equal parts of something
2. ( as modifier )
  
  a millionth part
one of 1 000 000 equal divisions of a particular scientific quantity
the fraction equal to one divided by 1 000 000

"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

adjective

(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

Etymology

Origin of millionth

First recorded in 1665–75; million + -th ²

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.

VOLKSWAGEN'S MILLIONTH, rhinestone-studded and gold-painted for the occasion, rolled off the assembly line last week.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023