terraplanismo
Portuguese, noun/ˌtɛ.ʁa.plɐ̃ˈniz.mu/
terraplanismo is spelled T-E-R-R-A-P-L-A-N-I-S-M-O (13 letters). Terraplanismo is a Portuguese masculine noun meaning “flat-earthism (belief in, or advocacy for, the theory that the planet Earth is flat)” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “concepção cosmológica que afirma que a Terra é plana”.
What does terraplanismo mean in English?
noun
- 1
masculineflat-earthism (belief in, or advocacy for, the theory that the planet Earth is flat)
- 2
derogatorymasculinethe belief or advocacy for any theory seen as outlandish as the flat-earthism.
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
noun: 1. concepção cosmológica que afirma que a Terra é plana
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 terraplanismo
- terraplanismos plural
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce terraplanismo?
- Brazil /ˌtɛ.ʁa.plɐ̃ˈniz.mu/
- Brazil [ˌtɛ.ha.plɐ̃ˈniz.mu]
- /ˌtɛ.ʁa.plɐ̃ˈniʒ.mu/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.