trillion
French, number/tʁi.ljɔ̃/
trillion is spelled T-R-I-L-L-I-O-N (8 letters) and appears about once in every 9 million words in written French, the 95,695th most frequent French word form (wordfreq, 2021 data). Trillion is a French masculine number meaning “quintillion (10¹⁸)” (English Wiktionary, September 2026).
What does trillion mean in English?
number
- 1
masculinequintillion (10¹⁸)
- 2
datedmasculinetrillion (10¹²)
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Un milliard de milliards ou un million au cube, selon l’échelle longue. 10¹⁸. 2. ou Un million de millions, selon l’échelle courte. 10¹².
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of trillion
- trillions plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce trillion?
- /tʁi.ljɔ̃/
- \tʁi.ljɔ̃\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to trillion
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is trillion in French?
trillion appears about once in every 9 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).