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"El" is a form of "el", a definite article which is often translated as "the". "Radio" is a noun which is often translated as "radio". Learn more about the difference between "radio" and "el" below.
el radio(
rrah
-
dyoh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (device)
a. radio
Prende el radio que quiero escuchar mi emisora favorita.Turn on the radio, I want to listen to my favorite station.
a. radius
Utiliza el radio del círculo para encontrar su circunferencia.Use the radius of the circle to find its circumference.
4. (chemistry)
a. spoke
Le faltaba un radio a la rueda de atrás de mi bici nueva.The rear wheel of my new bike was missing a spoke.
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
el(
ehl
)A definite article is a word that identifies a noun as specific or known to the speaker (e.g., the girl).
