Darkening

Darkening may refer to:

Darkening (ophthalmology), vision loss or weakness that occurs without an apparent lesion affecting the eye
Darkening of Valinor, the destruction of the Two Trees of Valinor in in the fictional universe of J. R. R. Tolkien's Middle-earth
Gravity darkening, an astronomical phenomenon
Hydrogen darkening, a physical degradation of the optical properties of glass
Limb darkening, the diminishing of intensity in the image of a star as one moves from the center to the edge

Darkening

See also