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"Corrosión" is a noun which is often translated as "corrosion", and "erosión" is a noun which is often translated as "erosion". Learn more about the difference between "corrosión" and "erosión" below.
la corrosión
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
la erosión(
eh
-
roh
-
syohn
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).