Related Words

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.

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 ent . . . View Full Definition

Density: The ratio of the mass of a substance to the volume it occupies. In oceanography, it is equivalent to specific gravity and represents the ratio of the weight of a given volume of sea water to . . . View Full Definition

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.

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 radi . . . View Full Definition

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 visibi . . . View Full Definition