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millionth: meaning, definition, pronunciation and examples

B1
UK/ˈmɪljənθ/US/ˈmɪljənθ/

Neutral to Formal

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Quick answer

What does “millionth” mean?

The ordinal number corresponding to one million.

Audio

Pronunciation

Definition

Meaning and Definition

The ordinal number corresponding to one million; 1,000,000th in a series. Also, one of a million equal parts.

Used to describe an extremely small or insignificant amount or probability; a tiny fraction.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or form. Spelling conventions follow the regional norms for writing numbers (e.g., use of commas/full stops in long numbers).

Connotations

Identical connotations of rarity, precision, or insignificance.

Frequency

Comparable frequency in both dialects.

Grammar

How to Use “millionth” in a Sentence

the + millionth + noun (the millionth customer)a + millionth + of + noun (a millionth of a gram)

Vocabulary

Collocations

strong
one milliontha millionth of a secondmillionth partmillionth time
medium
for the millionth timeto the millionth decimal placethe one millionth visitor
weak
millionth chancemillionth anniversarymillionth copy sold

Examples

Examples of “millionth” in a Sentence

adjective

British English

  • She was the lucky millionth customer at the supermarket.

American English

  • This is the millionth version of the software we've tested.

Usage

Meaning in Context

Business

Used in reports for precise metrics, e.g., 'The company celebrated selling its one millionth unit.'

Academic

Common in mathematics, physics, and statistics for precise measurements and probabilities.

Everyday

Used to express repetition or extreme smallness, e.g., 'I've told you for the millionth time.'

Technical

Denotes precise fractional measurements, e.g., 'The margin of error is within one millionth of a metre.'

Vocabulary

Synonyms of “millionth”

Strong

tiny fractionminuscule portion

Neutral

1,000,000thone-millionth

Weak

remote chanceinfinitesimal amount

Vocabulary

Antonyms of “millionth”

firstwholeentiretymajority

Watch out

Common Mistakes When Using “millionth”

  • Incorrect: 'He was the million visitor.' Correct: 'He was the millionth visitor.'
  • Incorrect pluralisation: 'millionths' (correct for the noun form, e.g., 'measured in millionths') but often misused.

FAQ

Frequently Asked Questions

Yes, it can be a noun meaning 'one of a million equal parts', e.g., 'A millionth of the total was lost.'

No significant difference. 'One millionth' can be slightly more emphatic on the exact number, but they are often interchangeable.

It is commonly written as '1,000,000th' or '1 000 000th'. The superscript 'th' is standard.

The 'th' is voiceless /θ/ as in 'thick'. The word is pronounced MIL-yuhnth, with the stress on the first syllable.

The ordinal number corresponding to one million.

Millionth is usually neutral to formal in register.

Millionth: in British English it is pronounced /ˈmɪljənθ/, and in American English it is pronounced /ˈmɪljənθ/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • “for the millionth time (expressing exasperation at repetition)”
  • “one in a million (used to describe someone or something very special or rare)”

Learning

Memory Aids

Mnemonic

Think of 'million' + 'th' (like 'fourth', 'fifth') – it's the position in line after the 999,999th thing.

Conceptual Metaphor

SMALL IS INSIGNIFICANT (e.g., a millionth chance is a metaphor for near impossibility).

Practice

Quiz

Fill in the gap
She calculated the probability to the decimal place.
Multiple Choice

What does 'for the millionth time' typically express?

millionth: meaning, definition, pronunciation and examples | Lingvocore