vs 

QUICK ANSWER
"Centro" is a form of "centro", a noun which is often translated as "center". "Radio" is a form of "radio", a noun which is often translated as "radio". Learn more about the difference between "centro" and "radio" below.
el centro(
sehn
-
troh
)
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. center
Regionalism used in the United States
(United States)
En el centro del mantel hay una estrella.There is a star in the center of the tablecloth.
b. centre
Regionalism used in the United Kingdom
(United Kingdom)
Pon un clavo de olor en el centro de la galleta.Put a clove in the centre of the biscuit.
c. middle
¡Tienen una máquina tragamonedas antigua justo en el centro de la sala!They've got an old slot machine right in the middle of their living-room!
a. center
Regionalism used in the United States
(United States)
El centro juvenil está abierto después de la escuela.The youth center is open after school.
b. centre
Regionalism used in the United Kingdom
(United Kingdom)
Trabajo en un centro para mujeres golpeadas.I work at a centre for battered women.
a. center
Regionalism used in the United States
(United States)
¿Cómo puedo ir al centro de Chicago?How can I go to the center of Chicago?
b. centre
Regionalism used in the United Kingdom
(United Kingdom)
El centro está cerrado al tráfico.The centre is closed to traffic.
c. downtown
Regionalism used in the United States
(United States)
Ayer fui al centro al cine.Yesterday, I went downtown to the movies.
Copyright © 2026 Dictionary Media Group, Inc.
el radio(
rrah
-
dyoh
)
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
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.
a. radius
Me rompí el radio del brazo izquierdo.I broke the radius in my left arm.
a. radium
El radio es más activo que el uranio.Radium is more active than uranium.
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).
feminine noun
a. radio
Mi padre, el senador, fue entrevistado esta mañana por la radio.My father, the senator, was interviewed on the radio this morning.
Copyright © 2026 Dictionary Media Group, Inc.