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"Diez" is a form of "diez", an adjective which is often translated as "ten". "Son las diez" is a phrase which is often translated as "it's ten o'clock". Learn more about the difference between "son las diez" and "diez" below.
son las diez(
sohn
 
lahs
 
dyehs
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. it's ten o'clock
Son las diez, ¿qué haces todavía en la cama? - Hoy no tengo clase hasta las once.It's ten o'clock. What are you doing still in bed? - I don't have any class until eleven today.
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diez(
dyehs
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. ten
Solo había diez personas en la oficina hoy a causa de la nieve.There were only ten people in the office today because of the snow.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. ten
Ella lleva un diez en su camiseta en honor a su jugadora favorita.She wears a ten on her jersey in honor of her favorite player.
b. tenth (in dates)
Celebraremos mi cumpleaños el diez de enero.We'll celebrate my birthday on the tenth of January.
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