undecilião
Portuguese, noun/ũ.de.si.liˈɐ̃w̃/
undecilião is spelled U-N-D-E-C-I-L-I-Ã-O (10 letters). Undecilião is a Portuguese masculine noun meaning “unvigintillion (10⁶⁶)” (English Wiktionary, September 2026).
What does undecilião mean in English?
noun
- 1
Portugalmasculineunvigintillion (10⁶⁶)
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
Forms of undecilião
- undeciliões plural
- undecilhão alternative Brazil informal
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce undecilião?
- Brazil /ũ.de.si.liˈɐ̃w̃/
- Brazil [ũ.de.si.liˈɐ̃ʊ̯̃]
- Brazil /ũ.de.siˈljɐ̃w̃/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.