Word.ws English Dictionary

quadrillionth

/kwɒdˈrɪl.i.ənθ/

quadrillionth adjective: the ordinal form of the number one quadrillion.

Adjective

quadrillionth (not comparable)

  1. The ordinal form of the number one quadrillion.

Noun

quadrillionth (plural quadrillionths)

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

Forms of quadrillionth

pluralquadrillionths

Origin of quadrillionth

From quadrillion + -th (ordinal suffix).

Questions about quadrillionth

What does quadrillionth mean?
Quadrillionth means the ordinal form of the number one quadrillion.
What part of speech is quadrillionth?
Quadrillionth can be an adjective or a noun.
How do you pronounce quadrillionth?
Quadrillionth is pronounced /kwɒdˈrɪl.i.ənθ/.

Words near quadrillionth in the dictionary

  1. quadrillion
  2. quadrillionaire
  3. quadrillionaires
  4. quadrillionfold
  5. quadrillions
  6. quadrillionth
  7. quadrillionths
  8. quadrilobate
  9. quadrilobe
  10. quadrilobed
  11. quadrilobes

Source and license

Adapted from Wiktionary: quadrillionth (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-quadrillionth.wav.

Cite this entry: “quadrillionth.” Word.ws, https://word.ws/quadrillionth. Based on Wiktionary, CC BY-SA 4.0.