This is the 9275th most frequent Catalan word.
guix
"Guix" means "chalk" or "plaster" in English.
In this sentence, 'guix' refers to the chalk used for writing on a blackboard.
El guix de la pissarra és blanc.
The chalk on the blackboard is white.
Here, 'guix' is used to mean plaster, the material applied on walls.
El guix que cobreix la paret es trenca fàcilment.
The plaster covering the wall breaks easily.
In this sentence, 'guix' again refers to chalk, emphasizing its use for drawing or writing on surfaces.