Quintillionth

//kwɪnˈtɪl.i.ənθ// adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The person or thing in the quintillionth position.
  2. 2
    one part in a quintillion equal parts wordnet
  3. 3
    One of a quintillion equal parts of a whole.
Adjective
  1. 1
    The ordinal form of the number one quintillion. not-comparable
Adjective
  1. 1
    the ordinal number of one quintillion in counting order wordnet

Synonyms

All synonyms
one quintillionthone-quintillionthordinal

Etymology

From quintillion + -th (ordinal suffix).

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