Also means
processing
Usage Note
Tratamiento covers medical treatment (tratamiento contra el cáncer), the way someone is treated (buen tratamiento, good treatment), and technical processing (tratamiento de datos, data processing). It also names a form or title of address (el tratamiento de usted; honorifics such as señoría or su ilustrísima), a sense still current in formal and protocol contexts.
Examples
"El médico recomendó un nuevo tratamiento."
Natural Translation
The doctor recommended a new treatment.

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