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"Una" is a noun which is often translated as "one", and "uno" is an adjective which is also often translated as "one". Learn more about the difference between "una" and "uno" below.
la una(
oo
-
nah
)
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
feminine noun
a. one
Es la una de la tarde.It's one in the afternoon.
b. one o'clock
Tengo una cita a la una.I have an appointment at one o'clock.
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uno(
oo
-
noh
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. one
Me queda solo un dulce.I've only got one candy left.
Necesitamos una moneda más para completar el conjunto.We need one more coin to complete the set.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. one
Elige un número del uno al diez.Choose a number between one and ten.
A pronoun is a word that stands in for a noun (e.g., she).
pronoun
a. one
¿Cuántas monedas necesitas? - Solo una.How many coins do you need? - Just one.
Compré uno para mí y otro para ti.I bought one for me and another for you.
a. one
Uno puede ganar mucho dinero al invertir.One can make a lot of money by investing.
b. you
Uno nunca sabe lo que puede salir de ahí.You never know what may come of it.
a. someone
Uno tocó el timbre, pero no respondí.Someone rang the doorbell, but I didn't answer.
b. somebody
Hablé con uno que sabe mucho acerca de la situación.I talked with somebody who knows a lot about the situation.
c. some (plural)
¿Todos los alumnos llegaron a tiempo? - Unos llegaron temprano y otros tarde.Did all the students arrive on time? - Some arrived early and others arrived late.
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