épsilon
Portuguese, noun/ˈɛp.si.lõ/
épsilon is spelled É-P-S-I-L-O-N (7 letters) and appears about once in every 19 million words in written Portuguese, the 128,503rd most frequent Portuguese word form (wordfreq, 2021 data). Épsilon is a Portuguese masculine noun meaning “epsilon (name of the Greek letter Ε, ε)” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “quinta letra do alfabeto grego (Ε, ε)”.
What does épsilon mean in English?
noun
- 1
masculineepsilon (name of the Greek letter Ε, ε)
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
noun: 1. quinta letra do alfabeto grego (Ε, ε)
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 épsilon
- epsílones Portugal plural
- épsilons Brazil plural
- épsilo alternative rare
- epsilão alternative rare
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce épsilon?
- Brazil /ˈɛp.si.lõ/
- Portugal /ˈɛp.si.lɔn/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to épsilon
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is épsilon in Portuguese?
épsilon appears about once in every 19 million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).