This is the 7393rd most frequent Portuguese word.
mercúrio
Mercúrio: Mercury, a chemical element or the Roman god of commerce and communication.
Here, 'mercúrio' refers to Mercury as a chemical element and its practical use.
O mercúrio é um metal líquido usado em termômetros.
Mercury is a liquid metal used in thermometers.
In this sentence, 'Mercúrio' refers to the planet Mercury in astronomy.
Mercúrio é o nome do planeta mais próximo do Sol.
Mercury is the name of the planet closest to the Sun.
'Mercúrio' refers to Mercury as a substance in a chemical compound that implies its hazardous nature.