This is the 7345th most frequent Catalan word.
aproximat
Approximate.
The word 'aproximat' is used as an adjective modifying 'càlcul', indicating that the calculation is not precise but an estimation.
El càlcul aproximat del cost és de 100 euros.
The approximate calculation of the cost is 100 euros.
Here, 'aproximada' qualifies 'descripció' as an adjective, denoting that the description is a close estimation rather than exact.
Vaig fer una descripció aproximada del paisatge que havia vist.
I made an approximate description of the landscape I had seen.
'Aproximada' modifies 'posició', indicating that the location's position is conveyed as a near estimate, not exact.