electro-
Portuguese, prefix
electro- is spelled E-L-E-C-T-R-O (7 letters). Electro- is a Portuguese prefix meaning “pre-reform spelling (used until 1943 in Brazil and 1990 in Portugal) of eletro-; still used where the agreement hasn’t come into effect and…” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “vide eletro-”.
What does electro- mean in English?
prefix
- 1
pre-reform spelling (used until 1943 in Brazil and 1990 in Portugal) of eletro-; still used where the agreement hasn’t come into effect and may occur as a sporadic misspelling
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
prefix: 1. vide eletro-
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.