This is the 11050th most frequent Catalan word.
sonda
Probe or catheter.
Here, 'sonda' is used to describe a medical tool employed for diagnostic purposes.
El metge va utilitzar una sonda per l’exploració.
The doctor used a probe for the examination.
In this sentence, 'sonda' could pertain to any kind of probe or instrument prepared for scientific or investigational use.
Cal preparar la sonda abans de fer l’estudi.
The probe must be prepared before conducting the study.
Here, 'sonda' refers to a scientific instrument, specifically a space probe used for exploration.