How to Say "adhesion" in Spanish
The Spanish word for “adhesion” is “adhesión” — C1 level.
English → SpanishC1
nounC1
the physical property of sticking to a surface

Examples
Esta pintura tiene una excelente adhesión sobre el metal.
This paint has excellent adhesion on metal.
La humedad puede afectar la adhesión del pegamento.
Humidity can affect the glue's bonding.
Adhesión vs Adherencia
While often used as synonyms, 'adhesión' refers more to the act of sticking, while 'adherencia' is the physical grip (like tires on a road).
Don't confuse with 'adhesivo'
Mistake: “Puse adhesión en el papel.”
Correction: Puse adhesivo (glue/adhesive) en el papel. 'Adhesión' is the concept of sticking, not the sticky substance itself.
Related Translations
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