millionth

1 of 2

adjective

mil·​lionth ˈmi(l)-yən(t)th How to pronounce millionth (audio)
1
a
: being number one million in a countable series see Table of Numbers
b
: being one of a million equal parts into which something is divisible
2
: constructed or drawn on a scale of one millionth of the natural size
a millionth map
a millionth globe

millionth

2 of 2

noun

mil·​lionth ˈmi(l)-yən(t)th How to pronounce millionth (audio)
plural millionths
1
: number one million in a countable series
2
: the quotient of a unit divided by one million : one of a million equal parts of something

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Cite this Entry

“Millionth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millionth. Accessed 19 Dec. 2025.

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