LEARN SPANISH UNCOUNTABLE COMPOUND NOUNS
Compound nouns are formed by more than one word, although they work as a single
word within the sentence. We use compound nouns when a single noun is not clear
enough to name a person or object. There are several types of compound nouns in
Spanish: Adjective + noun
Narcotráfico (drug trafficking) Noun + noun
aguanieve (sleet) Preposition + noun
sinfín (vast number) Noun + adjective or adjective + noun
Some compound nouns are uncountable and this happens when they name an object that
cannot be counted.
Hemos instalado el aire acondicionado en casa.
We have installed air coditioning at home
In this example we are using the compound noun "aire acondicionado" in its singular form because we cannot count it. We can only count the "unidades de aire acondicionado". There are several ways of writing the compound nouns: