Opacity or opaque means something that is difficult to see through or perceive. It can also mean:
- Opacity (optics), the degree to which light is blocked.
- Opaque context, a linguistic context in which it is not possible to substitute co-referential terms while guaranteeing the preservation of truth values.
- Opaque data, in computer programming, data that can only be manipulated through an external interface
- Opaque is a famous restaurant that serves customers in complete darkness.
Opacity Facts for Kids. Kiddle Encyclopedia.