1. Two or more things that are exactly the same in every way, having the same characteristics, appearance, and properties
These two coins are identical objects, minted in the same year and condition.
Estas duas moedas são objetos idênticos, cunhadas no mesmo ano e em perfeito estado.
2. In mathematics and logic, items that cannot be distinguished from one another by any observable property
In quantum mechanics, identical objects like electrons are indistinguishable particles.
Na mecânica quântica, objetos idênticos como elétrons são partículas indistinguíveis.