trillionth
/ˈtɹɪl.i.ənθ/adjective, noun
trillionth is spelled T-R-I-L-L-I-O-N-T-H: 10 letters. It appears about once in every 23 million words in written English, the 146,811th most frequent word form (wordfreq, 2021 data). As an adjective, trillionth means “The ordinal form of the number one trillion” (English Wiktionary, September 2026).
How many letters and syllables are in trillionth?
| Letters | 10: T-R-I-L-L-I-O-N-T-H |
|---|---|
| In writing | about once in every 23 million words; the 146,811th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is trillionth?
Trillionth appears about once in every 23 million words in written English, the 146,811th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce trillionth?
- /ˈtɹɪl.i.ənθ/
- /ˈtɹɪl.jənθ/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of trillionth
- trillionths plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does trillionth mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
The ordinal form of the number one trillion.
noun
- 1
The person or thing in the trillionth position.
- 2
One of a trillion equal parts of a whole.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does trillionth come from?
From trillion + -th (ordinal suffix).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).