This is the 2133rd most frequent Catalan word.
alteració
Alteration; disturbance; change.
Here, 'alteració' is used to signify a change or disruption in a physiological state.
L'alteració en el ritme del cor ha estat una sorpresa per al pacient.
The alteration in the heart rhythm has been a surprise for the patient.
In this case, 'alteració' conveys a change or modification in the manner of delivery.
Van notar una alteració en el to del seu discurs durant la reunió.
They noticed an alteration in the tone of his speech during the meeting.
In this context, 'alteració' refers to a notable change expected in meteorological conditions.