vs
QUICK ANSWER
"Agua caliente" is a noun which is often translated as "hot water", and "agua fría" is a phrase which is often translated as "cold water". Learn more about the difference between "agua caliente" and "agua fría" below.
la agua caliente()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
agua fría()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
