quatrilhão
Portuguese, noun/kwa.tɾiˈʎɐ̃w̃/
quatrilhão is spelled Q-U-A-T-R-I-L-H-Ã-O (10 letters) and appears about once in every 72 million words in written Portuguese, the 233,859th most frequent Portuguese word form (wordfreq, 2021 data). Quatrilhão is a Portuguese masculine noun meaning “quadrillion (10¹⁵)” (English Wiktionary, September 2026).
What does quatrilhão mean in English?
noun
- 1
Brazilmasculinequadrillion (10¹⁵)
- 2
Portugalinformalmasculinealternative form of quatrilião (“10²⁴”)
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
adjective: 1. mil trilhões; 1.000.000.000.000.000
The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.
Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of quatrilhão
- quatrilhões plural
- quadrilhão alternative
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce quatrilhão?
- Brazil /kwa.tɾiˈʎɐ̃w̃/
- Brazil [kwa.tɾiˈʎɐ̃ʊ̯̃]
- Portugal /kwɐ.tɾiˈʎɐ̃w̃/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to quatrilhão
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is quatrilhão in Portuguese?
quatrilhão appears about once in every 72 million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).