1. A value, quantity, or description that is not exact but is close enough to be useful
The architect's approximation of the building costs was within 5% of the final bill.
A aproximação do arquiteto dos custos de construção estava dentro de 5% da conta final.
2. The act or process of approaching or coming near to something
The approximation of the two opposing armies created tension in the region.
A aproximação dos dois exércitos opostos criou tensão na região.
3. In mathematics, a value or quantity that is nearly but not exactly correct
Using π as 3.14 is a common approximation in basic mathematics.
Usar π como 3,14 é uma aproximação comum na matemática básica.