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"Siglas" is a form of "sigla", a noun which is often translated as "abbreviation". "Doctor" is a noun which is often translated as "doctor". Learn more about the difference between "doctor" and "siglas" below.
el doctor, la doctora()
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
masculine or feminine noun
a. doctor
Mi hermano es doctor.My brother is a doctor.
a. doctor
La novia de Ricky es doctora en economía.Ricky's girlfriend is a Doctor of Economics.
a. doctor
El Papa Francisco nombró a San Gregorio de Narek como Doctor de la Iglesia.Pope Francis named St. Gregory of Narek a Doctor of the Church.
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la sigla()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
feminine noun
a. abbreviation (spelled out)
¿Qué significa la sigla ONG?What does the abbreviation NGO stand for?
b. acronym (pronounced as a word)
OTAN ha dejado de ser una sigla para convertirse en una palabra propiamente dicha.NATO has ceased being an acronym to become a word in its own right.
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