Standard Lemma guide

trillionth

adj · noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈtɹɪl.i.ənθ/
  • /ˈtɹɪl.jənθ/

1

adj

Meaning 1

The ordinal form of the number one trillion.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The person or thing in the trillionth position.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

One of a trillion equal parts of a whole.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective satellite

Meaning 4

the ordinal number of one trillion in counting order

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

one part in a trillion equal parts

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: one-trillionth

Antonyms: none provided

Broader terms: common fraction, simple fraction

History

Etymology

From trillion + -th (ordinal suffix).

Across languages

Translations

3 source translations are retained for this English entry.

  • Czech: biliontý — Translations
  • Polish: bilionowy — Translations
  • Slovak: biliónty — Translations