ruído branco
/ʁuˈi.du ˈbɾɐ̃.ku/word by word
ruído branco is the Portuguese translation for white noise.
This noun refers to a random signal with a flat power spectral density.
Meaning: random signal with flat power spectral density (noun)
Did you know?
- Although ruído branco describes a sound, the word branco is also used in Portuguese to describe a 'mental blank' or a sudden lapse in memory.
- The word ruído is a doublet of rugido, which means 'roar'. Both words share the same Latin root rugītus, but evolved differently in Portuguese.
- The Portuguese word ruído is used in the phrase fazer ruído to mean 'making a scene' or 'causing a stir' in a public space.
Examples in context
- O paciente tinha dificuldade para dormir, então o médico recomendou que ele ouvisse ruído branco para ajudar a relaxar.The patient had trouble sleeping, so the doctor recommended that he listen to white noise to help relax.
- O ruído branco ajuda a dormir.White noise helps to sleep.
- O aparelho produz apenas ruído branco.The device produces only white noise.
Example conversation
Gabriel and Camila are talking about their sleep habits.
- GabrielCamila, você consegue dormir no silêncio total?Camila, can you sleep in total silence?
- CamilaNão, eu prefiro ouvir um pouco de ruído branco.No, I prefer to listen to some white noise.
- GabrielOnde você consegue esse som?Where do you get that sound?
- CamilaEu uso um aplicativo no meu celular, Gabriel.I use an app on my phone, Gabriel.
Sources
- Wiktionary, “white noise” translations and entries ruído branco, CC BY-SA 4.0, dump of 2026-09-26.
- IPA marked “word by word” joins the Wiktionary pronunciations of each word (ruído, branco) and can differ in connected speech.
- Word origins: Wiktionary entries branco, ruído, CC BY-SA 4.0.
