The Portuguese word raio can be translated to English as thunderbolt or lightning bolt, but there are several other synonyms for this term. In meteorology, raio can also mean discharge or electric current that occurs during a thunderstorm. Other common synonyms for raio include flash and bolt of lightning, as well as streak and spark of electricity. Some less common synonyms include fulmination, coruscation, and thunderstroke. It's important to note that the translations of raio may vary depending on the context in which it is used. Understanding synonyms for raio can help learners of Portuguese to expand their vocabulary and communicate more effectively in various situations.