This is the 2804th most frequent Catalan word.
concentracions
"Concentracions" means "gatherings" or "concentrations" in English.
Here, 'concentracions' is used to denote public gatherings or protests.
Aquesta setmana hi haurà concentracions en suport a la pau.
This week there will be gatherings in support of peace.
In this case, 'concentracions' refers to the quantities of a substance in a mixture.
El químic va mesurar les concentracions de la solució.
The chemist measured the concentrations of the solution.
Here, 'concentracions' implies the presence or gathering of individuals in a particular area.