1. the quality of being strange, unusual, or difficult to understand or explain
There was a strangeness to his behavior that made everyone uncomfortable.
Havia uma estranheza no seu comportamento que deixava todos desconfortáveis.
2. something that is strange or unfamiliar
The strangeness of the new environment took some time to get used to.
A estranheza do novo ambiente levou tempo para se acostumar.
3. (Physics) a property of certain subatomic particles
In particle physics, strangeness is a quantum number.
Na física de partículas, a estranheza é um número quântico.