This is the 11673rd most frequent Portuguese word.
petroleiro
"Petroleiro" in English means "oil tanker" (a ship) or "oil worker."
In this sentence, 'petroleiro' refers to an oil tanker, which is a ship designed for transporting petroleum.
O petroleiro transporta petróleo através dos oceanos.
The oil tanker transports oil across the oceans.
Here, 'petroleiro' describes a worker in the oil industry, particularly one involved in tasks related to petroleum extraction or handling.
Meu tio é um petroleiro que trabalha em plataformas no mar.
My uncle is an oil industry worker who works on offshore platforms.
In this example, 'petroleira' refers to historical aspects related to petroleum, using a derived form to tie it to the region's industry.