English

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Etymology

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quintillion +‎ -th

Pronunciation

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  • IPA(key): /kwɪnˈtɪl.i.ənθ/
  • Audio (US):(file)

Adjective

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quintillionth (not comparable)

  1. The ordinal form of the number one quintillion.

Noun

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quintillionth (plural quintillionths)

  1. The person or thing in the quintillionth position.
  2. One of a quintillion equal parts of a whole.