1. The quality or state of being opaque; the inability of light to pass through a material
The opacity of the frosted glass prevents people from seeing through it.
A opacidade do vidro fosco impede que as pessoas vejam através dele.
2. Lack of clarity or transparency; obscurity in meaning or understanding
The opacity of the legal document made it difficult to understand.
A opacidade do documento legal tornou difícil compreendê-lo.
3. In computing and design, the degree to which an element is transparent or see-through
You can adjust the opacity of the image to make it more transparent.
Você pode ajustar a opacidade da imagem para torná-la mais transparente.