thirty-one

USAGE NOTE
When used as an adjective, "treinta y uno" becomes "treinta y un" before masculine nouns and feminine nouns that begin with a stressed "a-" or "ha-" sound.
thirty-one(
thuhr
-
di
-
wuhn
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. treinta y uno
There are thirty-one days left before we leave for Argentina.Quedan treinta y un días antes de partir para Argentina.
Thirty-one women spoke at the gender equality conference.Hablaron treinta y una mujeres en la conferencia de igualdad de género.
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
noun
a. el treinta y uno
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
Thirty-one is a prime number.Treinta y uno es un número primo.
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