ETYM Latin opacitas: cf.French opacité.
Quality or state of being opaque. opacify, v. make or become opaque.
1. Incomprehensibility resulting from obscurity of meaning; SYN. opaqueness.
2. Not permitting the passage of light; SYN. opaqueness.
3. The quality of being opaque to a degree; the degree to which something reduces the passage of light; SYN. opaqueness.
1. Qualité de ce qui est opaque, presque impénétrable aux rayons de la lumière.
2. (Physique) Rapport entre le flux lumineux transmis et le flux incident.
3. (Au figuré) Manque de clarté d'esprit.
The quality that defines how much light passes through an object’s pixels. If an object is 100 percent opaque, no light passes through it.