This is the 4705th most frequent Portuguese word.
dobro
"Double" or "twice as much."
In this sentence, 'dobro' is used as a noun to signify 'double' or twice the amount of something.
O resultado foi o dobro do esperado.
The result was double what was expected.
Here, 'dobro' again acts as a noun, emphasizing an increased amount (or a double measure) of effort or attention.
Tomou o dobro de cuidado ao subir a escada.
He took double the care when climbing the stairs.
The term 'dobro' is presented as the state resulting from the operation of doubling, highlighting the outcome of multiplication by two.