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nounnoun

el radio

radio · radius

Aparato que recibe señales del aire y las convierte en sonidos, como música o noticias.

Definition & meaning

The word radio in Spanish has several meanings depending on the context:

  1. Broadcasting/Device: It refers to the radio as a medium of communication, the signal itself, or the physical device used to receive broadcasts.
  2. Radius (Geometry/Anatomy): In mathematics, it refers to the radius of a circle or sphere (the distance from the center to the perimeter). In anatomy, it refers to the radius bone located in the human forearm.
  3. Chemical element: It refers to the radioactive chemical element radium (symbol Ra).

Grammar & Word origin

  • Grammar:
    • When referring to the broadcasting device, it is a feminine noun (la radio).
    • When referring to the mathematical radius or the anatomical bone, it is a masculine noun (el radio).
    • When referring to the chemical element radium, it is a masculine noun (el radio).
  • Word origin: It derives from the Latin radius, which originally meant a "staff," "rod," or "ray of light."

Synonyms & antonyms

Synonyms for the broadcasting device:

Synonyms for mathematical/anatomical radius:

  • Circunferencia (in the context of circular measurement)
  • Cúbito (often mentioned alongside as the other forearm bone)

Antonyms:

  • There are no direct antonyms for the device or the scientific terms, as they represent specific nouns or technical concepts.

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Examples

Me gusta escuchar música en la radio.noun

I like to listen to music on the radio.

Escuché una canción en la radio.noun

I heard a song on the radio.

En la cocina hay una radio antigua.noun

In the kitchen, there is an old radio.

El radio de esta esfera es diez centímetros.noun

The radius of this sphere is ten centimeters.

Calcularé el radio de la circunferencia.noun

I will calculate the radius of the circle.

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