English

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Etymology

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quadrillion +‎ -th

Pronunciation

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Adjective

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quadrillionth (not comparable)

  1. The ordinal form of the number one quadrillion.

Noun

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quadrillionth (plural quadrillionths)

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