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"Activo" is a form of "activo", an adjective which is often translated as "active". "A" is a preposition which is often translated as "to". Learn more about the difference between "a" and "activo" below.
a, la a(
ah
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Podía respirar a duras penas.He was hardly able to breathe.
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
¡A fregar los platos!Go do the dishes!
¡A la cama!Off to bed!
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Me encantaría ganar dinero a espuertas.I would love to earn lots of money.
Llovía a cántaros.It was pouring.
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
An abbreviation is the shortened form of a word or group of words (e.g., "UFO" = "unidentified flying object"; "p." = "page").
a. A
El circuito transporta una corriente de 1 A.The circuit carries a current of 1 A.
La intensidad de la corriente eléctrica se mide en A.The intensity of an electric current is measured in A.
activo(
ahk
-
tee
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boh
)An adjective is a word that describes a noun (e.g., the big dog).
1. (energetic)
a. active
Cuando era joven, era un chico activo. Ahora solo quiero dormir.When I was younger, I used to be an active kid. Now I just want to sleep.
2. (geology)
a. active
De todos los volcanes de las Filipinas, todavía están activos unos 22.Of all the volcanoes in the Philippines, some 22 are still active.
3. (grammar)
a. active
En la voz activa, el sujeto de la oración realiza la acción.In the active voice, the subject of the sentence performs the action.
a. working
La luz roja indica que el wifi no está activo.The red light indicates that Wi-Fi is not working.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).