Technology / Computers / Opacity: 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.

Other Words for Opacity

Opacity Noun Synonyms: opaqueness, darkness, murkiness, dimness, obscurity, impermeability, impenetrability
Opacity Verb Synonyms: obscurity, density, impenetrability, unintelligibility, indefiniteness, vagueness, reconditeness, abstruseness, ambiguity, equivocation, mystification


Science / Weather / Visibility: A measure of the opacity of the atmosphere, and therefore, the greatest distance one can see prominent objects with normal eyesight. The National Weather Service has various terms for visibility. Surf MORE


Science / Chemistry / Density: Mass of a substance per unit volume. Saying 'the density of mercury is 13.55 g/cm3 ' is the same as saying 'the mass of exactly 1 cm3 of mercury is 13.55 g'. MORE

Optical Wedge

Entertainment / Photography / Optical Wedge: Is a strip of material, clear at one end and gradually increasing in opacity, which is used to determine the effect of light intensities on sensitized materials. MORE

Neutral Density Filter

Entertainment / Photography / Neutral Density Filter: Describes a gray camera filter which has an equal opacity to all the colors of the spectrum and so does not affect the colors in the final image. It is used to reduce the amount of light entering the MORE

Titanium (Ti)

Science / Periodic Table of Elements / Titanium (Ti): Atomic number: 22, Atomic mass: 47.90 g.mol -1, Electronegativity: 1.5, Density: 4.51 g.cm-3 at 20°C, Melting point: 1660 °C, Boiling point: 3287 °C, Vanderwaals radius: 0.147 nm, Ionic radius: 0.0 MORE