Lighting includes both artificial light sources such as lamps and natural illumination of interiors from daylight. Lighting represents a major component of energy consumption, accounting for a significant part of all energy consumed worldwide....

Limb darkening, the diminishing of intensity in the image of a star as one moves from the center to the edge

Darkening (ophthalmology), vision loss or weakness that occurs without an apparent lesion affecting the eye

Darkness (disambiguation)

Gravity darkening, an astronomical phenomenon

Darkening of Valinor, the destruction of the Two Trees of Valinor in in the fictional universe of J. R. R. Tolkien's Middle-earth

Dark (disambiguation)

Hydrogen darkening, a physical degradation of the optical properties of glass

Darker (disambiguation)