How to Say "hinge" in Spanish
The Spanish word for “hinge” is “articulación” — A2 level. This is a very common word in everyday Spanish.

Examples
Me duele la articulación del hombro después de jugar tenis.
My shoulder joint hurts after playing tennis.
El cartílago ayuda a que las articulaciones se muevan sin dolor.
Cartilage helps joints move without pain.
Esta máquina tiene una articulación flexible para llegar a las esquinas.
This machine has a flexible joint to reach the corners.
Gender Trick
Words that end in '-ción' are almost always feminine. You should always say 'la articulación' and 'las articulaciones'.
Joint vs. Junta
Mistake: “Me duele la junta de la rodilla.”
Correction: Me duele la articulación de la rodilla. In Spanish, 'junta' usually refers to a meeting or a mechanical seal, not a body part.
Related Translations
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