This is the 2436th most frequent Portuguese word.
aço
Steel.
Here, "aço" is used as a noun referring to the metal material, steel.
A ponte foi construída com vigas de aço.
The bridge was constructed with steel beams.
In this context, "aço" represents the industry or factory associated with steel production.
Trabalhadores da fábrica de aço estão em greve.
Workers of the steel factory are on strike.
Here, "aço" is used metaphorically to describe someone with great resilience or strength of character.