Inklingo

How to Say "to corrode" in Spanish

English → Spanish

comer

koh-mehrkoˈmeɾ

VerbB2General
Use 'comer' when referring to the physical and literal process of something, like rust or an acid, gradually destroying a material, especially metal.
A simple metal post with aggressive orange rust actively dissolving the surface and creating holes, illustrating corrosion.

Examples

El ácido está comiendo el metal.

The acid is eating away at the metal.

El óxido se está comiendo la valla metálica.

The rust is eating away at the metal fence.

El ácido comió la superficie de la mesa.

The acid ate away the surface of the table.

roer

roh-EHRroˈeɾ

VerbC1General
Use 'roer' for figurative corrosion, such as when a negative emotion or persistent problem 'eats away' at someone's mind, conscience, or peace.
A close-up of a weathered stone rock at the edge of a river with water washing over it, showing signs of erosion.

Examples

La duda le roía el alma.

Doubt was gnawing at his soul.

La culpa le roía la conciencia día y noche.

Guilt was eating away at his conscience day and night.

El óxido comenzó a roer el metal del barco.

Rust began to eat away at the ship's metal.

Figurative Subjects

In this sense, the subject is often an abstract feeling like 'envidia' (envy) or 'celos' (jealousy).

Literal vs. Figurative Use

The most common mistake is using 'comer' for abstract concepts or 'roer' for physical destruction. Remember, 'comer' is for physical decay (like rust on metal), while 'roer' is for the metaphorical 'eating away' of emotions or problems.

Learn Spanish with Inklingo

Interactive stories, personalized learning, and more.