raio

From Old Galician-Portuguese rayo (independently attested in both corpora), from Latin radius. Doublet of radio and raxo.

• rao

• IPA^(key):

raio m (plural raios)

1. ray, beam (of light)

   Synonyms: raxeira, raxo

   • 1390, J. L. Pensado Tomé, editor, Os Miragres de Santiago, Madrid: C.S.I.C., page 208:

     apareçeulle Santiago onrrado de vestiduras moi brãquas, armado com̃o caualeiro de moy fremosas armas que esplãdeçia mais que os rrayos do sol

     and Santiago showed before him, honorably dressed in very white clothes, armed as a knight with very beauty weapons that shone more that sunrays

2. lightning spark

   Synonyms: apago, chispa, lóstrego

   • c. 1295, R. Lorenzo, editor, La traducción gallega de la Crónica General y de la Crónica de Castilla, Ourense: I.E.O.P.F, page 49:

     Et aquelle Maffomat, rrey de Cordoua, estando estõçe en sua mesquita ffazẽdo ssua orraçõ, feryo hũu rrayo cerca del que matou dous omẽes

     And that Muhammad, king of Cordova, being then at his mosque praying, a lightning stroke nearby, killing two men

• Ernesto Xosé González Seoane, María Álvarez de la Granja, Ana Isabel Boullón Agrelo (2006–2022) “rayo”, in Dicionario de Dicionarios do galego medieval (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Xavier Varela Barreiro, Xavier Gómez Guinovart (2006–2018) “rayo”, in Corpus Xelmírez - Corpus lingüístico da Galicia medieval (in Galician), Santiago de Compostela: ILG
• Antón Luís Santamarina Fernández, editor (2006–2013), “raio”, in Dicionario de Dicionarios da lingua galega [Dictionary of Dictionaries of the Galician language] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Antón Luís Santamarina Fernández, Ernesto Xosé González Seoane, María Álvarez de la Granja, editors (2003–2018), “raio”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Rosario Álvarez Blanco, editor (2014–2024), “raio”, in Tesouro do léxico patrimonial galego e portugués (in Galician), Santiago de Compostela: Instituto da Lingua Galega, →ISSN

raio

1. first-person singular present indicative of raer
2. first-person singular present indicative of raiar

From Old Galician-Portuguese rayo, from Latin radius. Doublet of rádio.

• Rhymes: -aju
• Hyphenation: rai‧o

raio m (plural raios)

1. (mathematics) ray
2. beam, ray (of light or radiation)
3. lightning
4. (mathematics) radius
5. spoke (of a wheel)

• “raio” in Dicionário Aberto based on Novo Diccionário da Língua Portuguesa de Cândido de Figueiredo, 1913

raio

1. first-person singular present indicative of raiar