Nonillionth

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The person or thing in the nonillionth position.
  2. 2
    One of a nonillion equal parts of a whole.

    "As an illustration, suppose the number of fixed stars, visible in our best telescopes, to amount to one hundred millions, exclusive of their attendant planets and satellites, and that the Almighty had created as great a number of systems as above stated, in every second of time, during a nonillion of years, they would still be very far short of occupying one nonillionth part of infinite space, admitting them all to be placed at the same distance from each other as the fixed stars!"

Adjective
  1. 1
    The ordinal form of the number nonillion. not-comparable

Example

More examples

"As an illustration, suppose the number of fixed stars, visible in our best telescopes, to amount to one hundred millions, exclusive of their attendant planets and satellites, and that the Almighty had created as great a number of systems as above stated, in every second of time, during a nonillion of years, they would still be very far short of occupying one nonillionth part of infinite space, admitting them all to be placed at the same distance from each other as the fixed stars!"

Etymology

From nonillion + -th (ordinal suffix).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.