This is the 7457th most frequent Portuguese word.
mu
"Mu" in Portuguese can mean "moo," the sound a cow makes.
Here, 'mu' refers to a term in physics indicating viscosity.
O mu da solução química era impressionante.
The viscosity of the chemical solution was impressive.
In this sentence, 'mu' refers to the Greek letter μ.
Depois da aula, o professor desenhou o símbolo mu no quadro.
After the class, the teacher drew the mu symbol on the board.
Here, 'mu' represents a vocal sound used in speech or language activities.